* Driver-Core: devtmpfs - ignore umask while setting file mode
@ 2009-10-28 18:50 Kay Sievers
2009-10-29 19:29 ` patch driver-core-devtmpfs-ignore-umask-while-setting-file-mode.patch added to gregkh-2.6 tree gregkh
0 siblings, 1 reply; 2+ messages in thread
From: Kay Sievers @ 2009-10-28 18:50 UTC (permalink / raw)
To: Greg KH; +Cc: linux-kernel
From: Kay Sievers <kay.sievers@vrfy.org>
Subject: Driver-Core: devtmpfs - ignore umask while setting file mode
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
---
drivers/base/devtmpfs.c | 24 ++++++++++++++----------
1 file changed, 14 insertions(+), 10 deletions(-)
--- a/drivers/base/devtmpfs.c
+++ b/drivers/base/devtmpfs.c
@@ -156,34 +156,38 @@ int devtmpfs_create_node(struct device *
mode |= S_IFCHR;
curr_cred = override_creds(&init_cred);
+
err = vfs_path_lookup(dev_mnt->mnt_root, dev_mnt,
nodename, LOOKUP_PARENT, &nd);
if (err == -ENOENT) {
- /* create missing parent directories */
create_path(nodename);
err = vfs_path_lookup(dev_mnt->mnt_root, dev_mnt,
nodename, LOOKUP_PARENT, &nd);
- if (err)
- goto out;
}
+ if (err)
+ goto out;
dentry = lookup_create(&nd, 0);
if (!IS_ERR(dentry)) {
- int umask;
-
- umask = sys_umask(0000);
err = vfs_mknod(nd.path.dentry->d_inode,
dentry, mode, dev->devt);
- sys_umask(umask);
- /* mark as kernel created inode */
- if (!err)
+ if (!err) {
+ struct iattr newattrs;
+
+ /* fixup possibly umasked mode */
+ newattrs.ia_mode = mode;
+ newattrs.ia_valid = ATTR_MODE;
+ notify_change(dentry, &newattrs);
+
+ /* mark as kernel-created inode */
dentry->d_inode->i_private = &dev_mnt;
+ }
dput(dentry);
} else {
err = PTR_ERR(dentry);
}
- mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
+ mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
path_put(&nd.path);
out:
kfree(tmp);
^ permalink raw reply [flat|nested] 2+ messages in thread
* patch driver-core-devtmpfs-ignore-umask-while-setting-file-mode.patch added to gregkh-2.6 tree
2009-10-28 18:50 Driver-Core: devtmpfs - ignore umask while setting file mode Kay Sievers
@ 2009-10-29 19:29 ` gregkh
0 siblings, 0 replies; 2+ messages in thread
From: gregkh @ 2009-10-29 19:29 UTC (permalink / raw)
To: kay.sievers, gregkh, greg, linux-kernel
This is a note to let you know that I've just added the patch titled
Subject: Driver Core: devtmpfs: ignore umask while setting file mode
to my gregkh-2.6 tree. Its filename is
driver-core-devtmpfs-ignore-umask-while-setting-file-mode.patch
This tree can be found at
http://www.kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/patches/
>From kay.sievers@vrfy.org Thu Oct 29 11:59:08 2009
From: Kay Sievers <kay.sievers@vrfy.org>
Date: Wed, 28 Oct 2009 19:50:57 +0100
Subject: Driver Core: devtmpfs: ignore umask while setting file mode
To: Greg KH <greg@kroah.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Message-ID: <1256755857.2618.320.camel@yio.site>
From: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/base/devtmpfs.c | 24 ++++++++++++++----------
1 file changed, 14 insertions(+), 10 deletions(-)
--- a/drivers/base/devtmpfs.c
+++ b/drivers/base/devtmpfs.c
@@ -156,34 +156,38 @@ int devtmpfs_create_node(struct device *
mode |= S_IFCHR;
curr_cred = override_creds(&init_cred);
+
err = vfs_path_lookup(dev_mnt->mnt_root, dev_mnt,
nodename, LOOKUP_PARENT, &nd);
if (err == -ENOENT) {
- /* create missing parent directories */
create_path(nodename);
err = vfs_path_lookup(dev_mnt->mnt_root, dev_mnt,
nodename, LOOKUP_PARENT, &nd);
- if (err)
- goto out;
}
+ if (err)
+ goto out;
dentry = lookup_create(&nd, 0);
if (!IS_ERR(dentry)) {
- int umask;
-
- umask = sys_umask(0000);
err = vfs_mknod(nd.path.dentry->d_inode,
dentry, mode, dev->devt);
- sys_umask(umask);
- /* mark as kernel created inode */
- if (!err)
+ if (!err) {
+ struct iattr newattrs;
+
+ /* fixup possibly umasked mode */
+ newattrs.ia_mode = mode;
+ newattrs.ia_valid = ATTR_MODE;
+ notify_change(dentry, &newattrs);
+
+ /* mark as kernel-created inode */
dentry->d_inode->i_private = &dev_mnt;
+ }
dput(dentry);
} else {
err = PTR_ERR(dentry);
}
- mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
+ mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
path_put(&nd.path);
out:
kfree(tmp);
^ permalink raw reply [flat|nested] 2+ messages in thread
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2009-10-28 18:50 Driver-Core: devtmpfs - ignore umask while setting file mode Kay Sievers
2009-10-29 19:29 ` patch driver-core-devtmpfs-ignore-umask-while-setting-file-mode.patch added to gregkh-2.6 tree gregkh
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