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call_usermodehelper: UMH_WAIT_EXEC ignores kernel_thread() failure

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UMH_WAIT_EXEC should report the error if kernel_thread() fails, like
UMH_WAIT_PROC does.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Oleg Nesterov 2010-05-26 14:43:05 -07:00 • committed by Linus Torvalds
parent d47419cd96
commit 04b1c384fb
1 changed files with 2 additions and 2 deletions
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4
kernel/kmod.c
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@ -235,10 +235,10 @@ static void __call_usermodehelper(struct work_struct *work)
case UMH_WAIT_PROC: case UMH_WAIT_PROC:
if (pid > 0) if (pid > 0)
break; break;
sub_info->retval = pid;
/* FALLTHROUGH */ /* FALLTHROUGH */
case UMH_WAIT_EXEC: case UMH_WAIT_EXEC:
if (pid < 0)
sub_info->retval = pid;
complete(sub_info->complete); complete(sub_info->complete);
} }
} }