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| author | Matt Macy <mmacy@FreeBSD.org> | 2019-09-30 21:53:26 +0000 |
|---|---|---|
| committer | Matt Macy <mmacy@FreeBSD.org> | 2019-09-30 21:53:26 +0000 |
| commit | 2048fe709808fc2658de070dd3ad98659508b041 (patch) | |
| tree | 18d37ded15f1e743649b0e66256c1ea45b1060e9 /bin | |
| parent | 3b96efbda0395b5bacfb6930dfaf664f5c718512 (diff) | |
| download | src-test2-2048fe709808fc2658de070dd3ad98659508b041.tar.gz src-test2-2048fe709808fc2658de070dd3ad98659508b041.zip | |
dd: Check result of close(2) for errors
close(2) can return errors from previous operations which should not be ignored.
PR: 229616
Submitted by: Thomas Hurst
Reported by: Thomas Hurst
Reviewed by: mmacy@
Obtained from: Ryan Moeller
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D21376
Notes
Notes:
svn path=/head/; revision=352921
Diffstat (limited to 'bin')
| -rw-r--r-- | bin/dd/dd.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/bin/dd/dd.c b/bin/dd/dd.c index e3916fe7dcc0..64484bd7d564 100644 --- a/bin/dd/dd.c +++ b/bin/dd/dd.c @@ -124,7 +124,8 @@ main(int argc __unused, char *argv[]) * descriptor explicitly so that the summary handler (called * from an atexit() hook) includes this work. */ - close(out.fd); + if (close(out.fd) == -1 && errno != EINTR) + err(1, "close"); exit(0); } |