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revert "initramfs: cleanup incomplete rootfs"

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Revert ff1522bb7d ("initramfs: cleanup incomplete rootfs").

Andy reports

: This breaks my setup where I have U-boot provided more size of initramfs
: than needed.  This allows a bit of flexibility to increase or decrease
: initramfs compressed image without taking care of bootloader.  The proper
: solution is to do this if we sure that we didn't get enough memory,
: otherwise I can't consider the error fatal to clean up rootfs.

Fixes: ff1522bb7d ("initramfs: cleanup incomplete rootfs")
Reported-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Tested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: David Engraf <david.engraf@sysgo.com>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Philippe Ombredanne <pombredanne@nexb.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrew Morton 2019-02-20 22:18:52 -08:00 committed by Linus Torvalds
parent 2137397c92
commit a841c673f1
1 changed files with 3 additions and 3 deletions
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6
init/initramfs.c
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@ -550,6 +550,7 @@ static void __init free_initrd(void)
initrd_end = 0;
}
#ifdef CONFIG_BLK_DEV_RAM
#define BUF_SIZE 1024
static void __init clean_rootfs(void)
{
@ -596,6 +597,7 @@ static void __init clean_rootfs(void)
ksys_close(fd);
kfree(buf);
}
#endif
static int __init populate_rootfs(void)
{
@ -638,10 +640,8 @@ static int __init populate_rootfs(void)
printk(KERN_INFO "Unpacking initramfs...\n");
err = unpack_to_rootfs((char *)initrd_start,
initrd_end - initrd_start);
if (err) {
if (err)
printk(KERN_EMERG "Initramfs unpacking failed: %s\n", err);
clean_rootfs();
}
free_initrd();
#endif
}