call_usermodehelper: UMH_WAIT_EXEC ignores kernel_thread() failure
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>
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@ -235,10 +235,10 @@ static void __call_usermodehelper(struct work_struct *work)
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case UMH_WAIT_PROC:
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case UMH_WAIT_PROC:
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if (pid > 0)
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if (pid > 0)
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break;
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break;
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sub_info->retval = pid;
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/* FALLTHROUGH */
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/* FALLTHROUGH */
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case UMH_WAIT_EXEC:
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case UMH_WAIT_EXEC:
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if (pid < 0)
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sub_info->retval = pid;
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complete(sub_info->complete);
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complete(sub_info->complete);
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}
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}
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}
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}
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