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Fix memory leak in zpool_clear_label()

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Clang's static analyzer reported a memory leak in zpool_clear_label().
Upon review, it turns out to be right. This should be a very short lived
leak because no daemons use this functionality, but that does not
preclude the possibility of third party daemons that do use it. Lets fix
it to be a good Samaritan.

Signed-off-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Ned Bass <bass6@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #2330
This commit is contained in:
Richard Yao 2014-04-22 23:35:38 -04:00 committed by Brian Behlendorf
parent 62a05896e8
commit 4def05f8a6
1 changed files with 3 additions and 1 deletions
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4
lib/libzfs/libzfs_import.c
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@ -922,8 +922,10 @@ zpool_clear_label(int fd)
for (l = 0; l < VDEV_LABELS; l++) { for (l = 0; l < VDEV_LABELS; l++) {
if (pwrite64(fd, label, sizeof (vdev_label_t), if (pwrite64(fd, label, sizeof (vdev_label_t),
label_offset(size, l)) != sizeof (vdev_label_t)) label_offset(size, l)) != sizeof (vdev_label_t)) {
free(label);
return (-1); return (-1);
}
} }
free(label); free(label);