From: skunberg.kelsey at gmail.com (Kelsey Skunberg) Subject: [Linux-kernel-mentees] [PATCH v3 2/4] PCI: sysfs: Change permissions from symbolic to octal Date: Thu, 15 Aug 2019 09:33:51 -0600 [thread overview] Message-ID: <20190815153352.86143-3-skunberg.kelsey@gmail.com> (raw) In-Reply-To: <20190813204513.4790-1-skunberg.kelsey@gmail.com> Symbolic permissions such as "(S_IWUSR | S_IWGRP)" are not preferred and octal permissions should be used instead. Change all symbolic permissions to octal permissions. Example of old: "(S_IWUSR | S_IWGRP)" Example of new: "0220" Signed-off-by: Kelsey Skunberg <skunberg.kelsey at gmail.com> --- drivers/pci/pci-sysfs.c | 25 ++++++++++++------------- 1 file changed, 12 insertions(+), 13 deletions(-) diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 8af7944fdccb..346193ca4826 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -464,7 +464,7 @@ static ssize_t dev_rescan_store(struct device *dev, } return count; } -static DEVICE_ATTR(rescan, (S_IWUSR | S_IWGRP), NULL, dev_rescan_store); +static DEVICE_ATTR(rescan, 0220, NULL, dev_rescan_store); static ssize_t remove_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) @@ -478,7 +478,7 @@ static ssize_t remove_store(struct device *dev, struct device_attribute *attr, pci_stop_and_remove_bus_device_locked(to_pci_dev(dev)); return count; } -static DEVICE_ATTR_IGNORE_LOCKDEP(remove, (S_IWUSR | S_IWGRP), NULL, +static DEVICE_ATTR_IGNORE_LOCKDEP(remove, 0220, NULL, remove_store); static ssize_t dev_bus_rescan_store(struct device *dev, @@ -501,7 +501,7 @@ static ssize_t dev_bus_rescan_store(struct device *dev, } return count; } -static DEVICE_ATTR(bus_rescan, (S_IWUSR | S_IWGRP), NULL, dev_bus_rescan_store); +static DEVICE_ATTR(bus_rescan, 0220, NULL, dev_bus_rescan_store); #if defined(CONFIG_PM) && defined(CONFIG_ACPI) static ssize_t d3cold_allowed_store(struct device *dev, @@ -685,13 +685,12 @@ static ssize_t sriov_drivers_autoprobe_store(struct device *dev, } static DEVICE_ATTR_RO(sriov_totalvfs); -static DEVICE_ATTR(sriov_numvfs, (S_IRUGO | S_IWUSR | S_IWGRP), - sriov_numvfs_show, sriov_numvfs_store); +static DEVICE_ATTR(sriov_numvfs, 0664, sriov_numvfs_show, sriov_numvfs_store); static DEVICE_ATTR_RO(sriov_offset); static DEVICE_ATTR_RO(sriov_stride); static DEVICE_ATTR_RO(sriov_vf_device); -static DEVICE_ATTR(sriov_drivers_autoprobe, (S_IRUGO | S_IWUSR | S_IWGRP), - sriov_drivers_autoprobe_show, sriov_drivers_autoprobe_store); +static DEVICE_ATTR(sriov_drivers_autoprobe, 0664, sriov_drivers_autoprobe_show, + sriov_drivers_autoprobe_store); #endif /* CONFIG_PCI_IOV */ static ssize_t driver_override_store(struct device *dev, @@ -1080,7 +1079,7 @@ void pci_create_legacy_files(struct pci_bus *b) sysfs_bin_attr_init(b->legacy_io); b->legacy_io->attr.name = "legacy_io"; b->legacy_io->size = 0xffff; - b->legacy_io->attr.mode = S_IRUSR | S_IWUSR; + b->legacy_io->attr.mode = 0600; b->legacy_io->read = pci_read_legacy_io; b->legacy_io->write = pci_write_legacy_io; b->legacy_io->mmap = pci_mmap_legacy_io; @@ -1094,7 +1093,7 @@ void pci_create_legacy_files(struct pci_bus *b) sysfs_bin_attr_init(b->legacy_mem); b->legacy_mem->attr.name = "legacy_mem"; b->legacy_mem->size = 1024*1024; - b->legacy_mem->attr.mode = S_IRUSR | S_IWUSR; + b->legacy_mem->attr.mode = 0600; b->legacy_mem->mmap = pci_mmap_legacy_mem; pci_adjust_legacy_attr(b, pci_mmap_mem); error = device_create_bin_file(&b->dev, b->legacy_mem); @@ -1301,7 +1300,7 @@ static int pci_create_attr(struct pci_dev *pdev, int num, int write_combine) } } res_attr->attr.name = res_attr_name; - res_attr->attr.mode = S_IRUSR | S_IWUSR; + res_attr->attr.mode = 0600; res_attr->size = pci_resource_len(pdev, num); res_attr->private = (void *)(unsigned long)num; retval = sysfs_create_bin_file(&pdev->dev.kobj, res_attr); @@ -1414,7 +1413,7 @@ static ssize_t pci_read_rom(struct file *filp, struct kobject *kobj, static const struct bin_attribute pci_config_attr = { .attr = { .name = "config", - .mode = S_IRUGO | S_IWUSR, + .mode = 0644, }, .size = PCI_CFG_SPACE_SIZE, .read = pci_read_config, @@ -1424,7 +1423,7 @@ static const struct bin_attribute pci_config_attr = { static const struct bin_attribute pcie_config_attr = { .attr = { .name = "config", - .mode = S_IRUGO | S_IWUSR, + .mode = 0644, }, .size = PCI_CFG_SPACE_EXP_SIZE, .read = pci_read_config, @@ -1506,7 +1505,7 @@ int __must_check pci_create_sysfs_dev_files(struct pci_dev *pdev) sysfs_bin_attr_init(attr); attr->size = rom_size; attr->attr.name = "rom"; - attr->attr.mode = S_IRUSR | S_IWUSR; + attr->attr.mode = 0600; attr->read = pci_read_rom; attr->write = pci_write_rom; retval = sysfs_create_bin_file(&pdev->dev.kobj, attr); -- 2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: skunberg.kelsey@gmail.com (Kelsey Skunberg) Subject: [Linux-kernel-mentees] [PATCH v3 2/4] PCI: sysfs: Change permissions from symbolic to octal Date: Thu, 15 Aug 2019 09:33:51 -0600 [thread overview] Message-ID: <20190815153352.86143-3-skunberg.kelsey@gmail.com> (raw) Message-ID: <20190815153351.A7EoFxvFVTGle76X4WXWUHQZEGhPhH6gILrEx58TRS0@z> (raw) In-Reply-To: <20190813204513.4790-1-skunberg.kelsey@gmail.com> Symbolic permissions such as "(S_IWUSR | S_IWGRP)" are not preferred and octal permissions should be used instead. Change all symbolic permissions to octal permissions. Example of old: "(S_IWUSR | S_IWGRP)" Example of new: "0220" Signed-off-by: Kelsey Skunberg <skunberg.kelsey at gmail.com> --- drivers/pci/pci-sysfs.c | 25 ++++++++++++------------- 1 file changed, 12 insertions(+), 13 deletions(-) diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 8af7944fdccb..346193ca4826 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -464,7 +464,7 @@ static ssize_t dev_rescan_store(struct device *dev, } return count; } -static DEVICE_ATTR(rescan, (S_IWUSR | S_IWGRP), NULL, dev_rescan_store); +static DEVICE_ATTR(rescan, 0220, NULL, dev_rescan_store); static ssize_t remove_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) @@ -478,7 +478,7 @@ static ssize_t remove_store(struct device *dev, struct device_attribute *attr, pci_stop_and_remove_bus_device_locked(to_pci_dev(dev)); return count; } -static DEVICE_ATTR_IGNORE_LOCKDEP(remove, (S_IWUSR | S_IWGRP), NULL, +static DEVICE_ATTR_IGNORE_LOCKDEP(remove, 0220, NULL, remove_store); static ssize_t dev_bus_rescan_store(struct device *dev, @@ -501,7 +501,7 @@ static ssize_t dev_bus_rescan_store(struct device *dev, } return count; } -static DEVICE_ATTR(bus_rescan, (S_IWUSR | S_IWGRP), NULL, dev_bus_rescan_store); +static DEVICE_ATTR(bus_rescan, 0220, NULL, dev_bus_rescan_store); #if defined(CONFIG_PM) && defined(CONFIG_ACPI) static ssize_t d3cold_allowed_store(struct device *dev, @@ -685,13 +685,12 @@ static ssize_t sriov_drivers_autoprobe_store(struct device *dev, } static DEVICE_ATTR_RO(sriov_totalvfs); -static DEVICE_ATTR(sriov_numvfs, (S_IRUGO | S_IWUSR | S_IWGRP), - sriov_numvfs_show, sriov_numvfs_store); +static DEVICE_ATTR(sriov_numvfs, 0664, sriov_numvfs_show, sriov_numvfs_store); static DEVICE_ATTR_RO(sriov_offset); static DEVICE_ATTR_RO(sriov_stride); static DEVICE_ATTR_RO(sriov_vf_device); -static DEVICE_ATTR(sriov_drivers_autoprobe, (S_IRUGO | S_IWUSR | S_IWGRP), - sriov_drivers_autoprobe_show, sriov_drivers_autoprobe_store); +static DEVICE_ATTR(sriov_drivers_autoprobe, 0664, sriov_drivers_autoprobe_show, + sriov_drivers_autoprobe_store); #endif /* CONFIG_PCI_IOV */ static ssize_t driver_override_store(struct device *dev, @@ -1080,7 +1079,7 @@ void pci_create_legacy_files(struct pci_bus *b) sysfs_bin_attr_init(b->legacy_io); b->legacy_io->attr.name = "legacy_io"; b->legacy_io->size = 0xffff; - b->legacy_io->attr.mode = S_IRUSR | S_IWUSR; + b->legacy_io->attr.mode = 0600; b->legacy_io->read = pci_read_legacy_io; b->legacy_io->write = pci_write_legacy_io; b->legacy_io->mmap = pci_mmap_legacy_io; @@ -1094,7 +1093,7 @@ void pci_create_legacy_files(struct pci_bus *b) sysfs_bin_attr_init(b->legacy_mem); b->legacy_mem->attr.name = "legacy_mem"; b->legacy_mem->size = 1024*1024; - b->legacy_mem->attr.mode = S_IRUSR | S_IWUSR; + b->legacy_mem->attr.mode = 0600; b->legacy_mem->mmap = pci_mmap_legacy_mem; pci_adjust_legacy_attr(b, pci_mmap_mem); error = device_create_bin_file(&b->dev, b->legacy_mem); @@ -1301,7 +1300,7 @@ static int pci_create_attr(struct pci_dev *pdev, int num, int write_combine) } } res_attr->attr.name = res_attr_name; - res_attr->attr.mode = S_IRUSR | S_IWUSR; + res_attr->attr.mode = 0600; res_attr->size = pci_resource_len(pdev, num); res_attr->private = (void *)(unsigned long)num; retval = sysfs_create_bin_file(&pdev->dev.kobj, res_attr); @@ -1414,7 +1413,7 @@ static ssize_t pci_read_rom(struct file *filp, struct kobject *kobj, static const struct bin_attribute pci_config_attr = { .attr = { .name = "config", - .mode = S_IRUGO | S_IWUSR, + .mode = 0644, }, .size = PCI_CFG_SPACE_SIZE, .read = pci_read_config, @@ -1424,7 +1423,7 @@ static const struct bin_attribute pci_config_attr = { static const struct bin_attribute pcie_config_attr = { .attr = { .name = "config", - .mode = S_IRUGO | S_IWUSR, + .mode = 0644, }, .size = PCI_CFG_SPACE_EXP_SIZE, .read = pci_read_config, @@ -1506,7 +1505,7 @@ int __must_check pci_create_sysfs_dev_files(struct pci_dev *pdev) sysfs_bin_attr_init(attr); attr->size = rom_size; attr->attr.name = "rom"; - attr->attr.mode = S_IRUSR | S_IWUSR; + attr->attr.mode = 0600; attr->read = pci_read_rom; attr->write = pci_write_rom; retval = sysfs_create_bin_file(&pdev->dev.kobj, attr); -- 2.20.1
next prev parent reply other threads:[~2019-08-15 15:33 UTC|newest] Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-08-09 19:57 [Linux-kernel-mentees] [PATCH] PCI/IOV: Move sysfs SR-IOV functions to iov.c skunberg.kelsey 2019-08-09 19:57 ` Kelsey Skunberg 2019-08-10 7:17 ` greg 2019-08-10 7:17 ` Greg KH 2019-08-10 17:15 ` helgaas 2019-08-10 17:15 ` Bjorn Helgaas 2019-08-10 17:24 ` greg 2019-08-10 17:24 ` Greg KH 2019-08-10 21:32 ` skunberg.kelsey 2019-08-10 21:32 ` Kelsey Skunberg 2019-08-13 20:45 ` [Linux-kernel-mentees] [PATCH v2 0/3] PCI: pci-sysfs.c cleanup skunberg.kelsey 2019-08-13 20:45 ` Kelsey Skunberg 2019-08-13 20:45 ` [Linux-kernel-mentees] [PATCH v2 1/3] PCI: sysfs: Define device attributes with DEVICE_ATTR*() skunberg.kelsey 2019-08-13 20:45 ` Kelsey Skunberg 2019-08-14 7:52 ` gregkh 2019-08-14 7:52 ` Greg KH 2019-08-14 23:14 ` skunberg.kelsey 2019-08-14 23:14 ` Kelsey Skunberg 2019-08-15 15:54 ` skunberg.kelsey 2019-08-15 15:54 ` Kelsey Skunberg 2019-08-13 20:45 ` [Linux-kernel-mentees] [PATCH v2 2/3] PCI: sysfs: Change permissions from symbolic to octal skunberg.kelsey 2019-08-13 20:45 ` Kelsey Skunberg 2019-08-14 5:38 ` helgaas 2019-08-14 5:38 ` Bjorn Helgaas 2019-08-14 7:53 ` gregkh 2019-08-14 7:53 ` Greg Kroah-Hartman 2019-08-15 14:37 ` ddutile 2019-08-15 14:37 ` Don Dutile 2019-09-04 6:22 ` skunberg.kelsey 2019-09-04 6:22 ` Kelsey Skunberg 2019-09-04 15:32 ` ddutile 2019-09-04 15:32 ` Don Dutile 2019-09-04 18:33 ` ddutile 2019-09-04 18:33 ` Don Dutile 2019-09-05 4:04 ` skunberg.kelsey 2019-09-05 4:04 ` Kelsey Skunberg 2019-08-13 20:45 ` [Linux-kernel-mentees] [PATCH v2 3/3] PCI/IOV: Move sysfs SR-IOV functions to iov.c skunberg.kelsey 2019-08-13 20:45 ` Kelsey Skunberg 2019-08-14 5:40 ` [Linux-kernel-mentees] [PATCH v2 0/3] PCI: pci-sysfs.c cleanup helgaas 2019-08-14 5:40 ` Bjorn Helgaas 2019-08-15 15:33 ` [Linux-kernel-mentees] [PATCH v3 0/4] PCI: Clean up pci-sysfs.c skunberg.kelsey 2019-08-15 15:33 ` Kelsey Skunberg 2019-08-15 16:08 ` gregkh 2019-08-15 16:08 ` Greg KH 2019-08-16 4:22 ` ddutile 2019-08-16 4:22 ` Don Dutile 2019-08-19 22:42 ` helgaas 2019-08-19 22:42 ` Bjorn Helgaas 2019-08-15 15:33 ` [Linux-kernel-mentees] [PATCH v3 1/4] PCI: sysfs: Define device attributes with DEVICE_ATTR* skunberg.kelsey 2019-08-15 15:33 ` Kelsey Skunberg 2020-03-14 10:51 ` Ruslan Bilovol 2020-03-14 11:20 ` Greg Kroah-Hartman 2020-03-24 6:10 ` Kelsey 2020-03-24 6:24 ` Greg Kroah-Hartman 2020-03-24 23:53 ` Kelsey 2020-03-25 7:17 ` Greg Kroah-Hartman 2020-03-25 15:15 ` Kelsey 2019-08-15 15:33 ` skunberg.kelsey [this message] 2019-08-15 15:33 ` [Linux-kernel-mentees] [PATCH v3 2/4] PCI: sysfs: Change permissions from symbolic to octal Kelsey Skunberg 2019-08-15 15:33 ` [Linux-kernel-mentees] [PATCH v3 3/4] PCI: sysfs: Change DEVICE_ATTR() to DEVICE_ATTR_WO() skunberg.kelsey 2019-08-15 15:33 ` Kelsey Skunberg 2019-08-15 15:33 ` [Linux-kernel-mentees] [PATCH v3 4/4] PCI/IOV: Move sysfs SR-IOV functions to iov.c skunberg.kelsey 2019-08-15 15:33 ` Kelsey Skunberg 2019-08-15 17:34 ` sathyanarayanan.kuppuswamy 2019-08-15 17:34 ` sathyanarayanan kuppuswamy
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