From: Christoph Hellwig <hch@lst.de> To: Andrew Morton <akpm@linux-foundation.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk>, Russell King <linux@armlinux.org.uk>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, Guan Xuetao <gxt@pku.edu.cn>, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 5/8] initramfs: cleanup populate_rootfs Date: Wed, 13 Feb 2019 18:46:18 +0100 [thread overview] Message-ID: <20190213174621.29297-6-hch@lst.de> (raw) In-Reply-To: <20190213174621.29297-1-hch@lst.de> The code for kernels that support ramdisks or not is mostly the same. Unify it by using an IS_ENABLED for the info message, and moving the error message into a stub for populate_initrd_image. Signed-off-by: Christoph Hellwig <hch@lst.de> --- init/initramfs.c | 33 +++++++++++++++------------------ 1 file changed, 15 insertions(+), 18 deletions(-) diff --git a/init/initramfs.c b/init/initramfs.c index c2e9a8845e98..c55e08f72fad 100644 --- a/init/initramfs.c +++ b/init/initramfs.c @@ -615,6 +615,11 @@ static void populate_initrd_image(char *err) written, initrd_end - initrd_start); ksys_close(fd); } +#else +static void populate_initrd_image(char *err) +{ + printk(KERN_EMERG "Initramfs unpacking failed: %s\n", err); +} #endif /* CONFIG_BLK_DEV_RAM */ static int __init populate_rootfs(void) @@ -623,30 +628,22 @@ static int __init populate_rootfs(void) char *err = unpack_to_rootfs(__initramfs_start, __initramfs_size); if (err) panic("%s", err); /* Failed to decompress INTERNAL initramfs */ - /* If available load the bootloader supplied initrd */ - if (initrd_start && !IS_ENABLED(CONFIG_INITRAMFS_FORCE)) { -#ifdef CONFIG_BLK_DEV_RAM + + if (!initrd_start || IS_ENABLED(CONFIG_INITRAMFS_FORCE)) + goto done; + + if (IS_ENABLED(CONFIG_BLK_DEV_RAM)) printk(KERN_INFO "Trying to unpack rootfs image as initramfs...\n"); - err = unpack_to_rootfs((char *)initrd_start, - initrd_end - initrd_start); - if (!err) - goto done; + else + printk(KERN_INFO "Unpacking initramfs...\n"); + err = unpack_to_rootfs((char *)initrd_start, initrd_end - initrd_start); + if (err) { clean_rootfs(); populate_initrd_image(err); - done: - /* empty statement */; -#else - printk(KERN_INFO "Unpacking initramfs...\n"); - err = unpack_to_rootfs((char *)initrd_start, - initrd_end - initrd_start); - if (err) { - printk(KERN_EMERG "Initramfs unpacking failed: %s\n", err); - clean_rootfs(); - } -#endif } +done: /* * If the initrd region is overlapped with crashkernel reserved region, * free only memory that is not part of crashkernel region. -- 2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de> To: Andrew Morton <akpm@linux-foundation.org> Cc: linux-arch@vger.kernel.org, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, Russell King <linux@armlinux.org.uk>, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Alexander Viro <viro@zeniv.linux.org.uk>, Guan Xuetao <gxt@pku.edu.cn>, linux-arm-kernel@lists.infradead.org Subject: [PATCH 5/8] initramfs: cleanup populate_rootfs Date: Wed, 13 Feb 2019 18:46:18 +0100 [thread overview] Message-ID: <20190213174621.29297-6-hch@lst.de> (raw) In-Reply-To: <20190213174621.29297-1-hch@lst.de> The code for kernels that support ramdisks or not is mostly the same. Unify it by using an IS_ENABLED for the info message, and moving the error message into a stub for populate_initrd_image. Signed-off-by: Christoph Hellwig <hch@lst.de> --- init/initramfs.c | 33 +++++++++++++++------------------ 1 file changed, 15 insertions(+), 18 deletions(-) diff --git a/init/initramfs.c b/init/initramfs.c index c2e9a8845e98..c55e08f72fad 100644 --- a/init/initramfs.c +++ b/init/initramfs.c @@ -615,6 +615,11 @@ static void populate_initrd_image(char *err) written, initrd_end - initrd_start); ksys_close(fd); } +#else +static void populate_initrd_image(char *err) +{ + printk(KERN_EMERG "Initramfs unpacking failed: %s\n", err); +} #endif /* CONFIG_BLK_DEV_RAM */ static int __init populate_rootfs(void) @@ -623,30 +628,22 @@ static int __init populate_rootfs(void) char *err = unpack_to_rootfs(__initramfs_start, __initramfs_size); if (err) panic("%s", err); /* Failed to decompress INTERNAL initramfs */ - /* If available load the bootloader supplied initrd */ - if (initrd_start && !IS_ENABLED(CONFIG_INITRAMFS_FORCE)) { -#ifdef CONFIG_BLK_DEV_RAM + + if (!initrd_start || IS_ENABLED(CONFIG_INITRAMFS_FORCE)) + goto done; + + if (IS_ENABLED(CONFIG_BLK_DEV_RAM)) printk(KERN_INFO "Trying to unpack rootfs image as initramfs...\n"); - err = unpack_to_rootfs((char *)initrd_start, - initrd_end - initrd_start); - if (!err) - goto done; + else + printk(KERN_INFO "Unpacking initramfs...\n"); + err = unpack_to_rootfs((char *)initrd_start, initrd_end - initrd_start); + if (err) { clean_rootfs(); populate_initrd_image(err); - done: - /* empty statement */; -#else - printk(KERN_INFO "Unpacking initramfs...\n"); - err = unpack_to_rootfs((char *)initrd_start, - initrd_end - initrd_start); - if (err) { - printk(KERN_EMERG "Initramfs unpacking failed: %s\n", err); - clean_rootfs(); - } -#endif } +done: /* * If the initrd region is overlapped with crashkernel reserved region, * free only memory that is not part of crashkernel region. -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-02-13 17:46 UTC|newest] Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-02-13 17:46 initramfs tidyups Christoph Hellwig 2019-02-13 17:46 ` Christoph Hellwig 2019-02-13 17:46 ` Christoph Hellwig 2019-02-13 17:46 ` [PATCH 1/8] mm: unexport free_reserved_area Christoph Hellwig 2019-02-13 17:46 ` Christoph Hellwig 2019-02-13 17:46 ` Christoph Hellwig 2019-02-13 17:46 ` [PATCH 2/8] initramfs: free initrd memory if opening /initrd.image fails Christoph Hellwig 2019-02-13 17:46 ` Christoph Hellwig 2019-02-14 13:51 ` Steven Price 2019-02-14 13:51 ` Steven Price 2019-02-13 17:46 ` [PATCH 3/8] initramfs: cleanup initrd freeing Christoph Hellwig 2019-02-13 17:46 ` Christoph Hellwig 2019-02-13 17:46 ` Christoph Hellwig 2019-02-13 17:46 ` [PATCH 4/8] initramfs: factor out a helper to populate the initrd image Christoph Hellwig 2019-02-13 17:46 ` Christoph Hellwig 2019-02-13 17:46 ` Christoph Hellwig [this message] 2019-02-13 17:46 ` [PATCH 5/8] initramfs: cleanup populate_rootfs Christoph Hellwig 2019-02-13 17:46 ` [PATCH 6/8] initramfs: move the legacy keepinitrd parameter to core code Christoph Hellwig 2019-02-13 17:46 ` Christoph Hellwig 2019-02-14 16:56 ` Catalin Marinas 2019-02-14 16:56 ` Catalin Marinas 2019-02-13 17:46 ` [PATCH 7/8] initramfs: proide a generic free_initrd_mem implementation Christoph Hellwig 2019-02-13 17:46 ` Christoph Hellwig 2019-02-13 18:41 ` Mike Rapoport 2019-02-13 18:41 ` Mike Rapoport 2019-02-13 18:41 ` Mike Rapoport 2019-02-13 18:44 ` Christoph Hellwig 2019-02-13 18:44 ` Christoph Hellwig 2019-02-13 18:44 ` Christoph Hellwig 2019-02-13 21:41 ` Mike Rapoport 2019-02-13 21:41 ` Mike Rapoport 2019-02-14 8:03 ` Geert Uytterhoeven 2019-02-14 8:03 ` Geert Uytterhoeven 2019-02-14 8:03 ` Geert Uytterhoeven 2019-02-14 16:20 ` Mike Rapoport 2019-02-14 16:20 ` Mike Rapoport 2019-02-13 17:46 ` [PATCH 8/8] initramfs: poison freed initrd memory Christoph Hellwig 2019-02-13 17:46 ` Christoph Hellwig 2019-02-13 21:54 ` initramfs tidyups Mike Rapoport 2019-02-13 21:54 ` Mike Rapoport
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