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[PATCH[ log: Do not BUG_ON in log_first_err

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It turned out that calling log_first_error() is possible w/o
calling log_keep_first_err(), so don't bug_on() on it, just
return NULL.

Reported-by: Adrian Reber <adrian@lisas.de>
Signed-off-by: Pavel Emelyanov <xemul@virtouzzo.com>
Reviewed-by: Adrian Reber <adrian@lisas.de>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
This commit is contained in:
Pavel Emelyanov
2016-09-07 00:50:00 +03:00
parent 3ea1d8eaa2
commit f1a9cd4d41
1 changed files with 6 additions and 2 deletions
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8
criu/log.c
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@@ -114,8 +114,12 @@ static void log_note_err(char *msg)
char *log_first_err(void)
{
BUG_ON(!first_err);
return first_err->s[0] == '\0' ? NULL : first_err->s;
if (!first_err)
return NULL;
if (first_err->s[0] == '\0')
return NULL;
return first_err->s;
}
int log_init(const char *output)