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coverity: Check fcntl return value

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Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>
Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com>
This commit is contained in:
Stéphane Graber 2014-02-14 16:07:41 -05:00
parent acd4922efe
commit 71b2940d87
1 changed files with 5 additions and 2 deletions
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7
src/lxc/attach.c
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@ -1026,8 +1026,11 @@ static int attach_child_main(void* data)
flags = fcntl(fd, F_GETFL);
if (flags < 0)
continue;
if (flags & FD_CLOEXEC)
fcntl(fd, F_SETFL, flags & ~FD_CLOEXEC);
if (flags & FD_CLOEXEC) {
if (fcntl(fd, F_SETFL, flags & ~FD_CLOEXEC) < 0) {
SYSERROR("Unable to clear CLOEXEC from fd");
}
}
}
/* we're done, so we can now do whatever the user intended us to do */