[libvirt] [PATCH v4 5/6] virFileInData: preserve errno in cleanup path
Callers might be interested in the original value of errno. Let's
not overwrite it with lseek() done in cleanup path.
Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com>
---
src/util/virfile.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/util/virfile.c b/src/util/virfile.c
index d444b32f8..2be64f1db 100644
--- a/src/util/virfile.c
+++ b/src/util/virfile.c
@@ -3900,8 +3900,11 @@ virFileInData(int fd,
ret = 0;
cleanup:
/* At any rate, reposition back to where we started. */
- if (cur != (off_t) -1)
+ if (cur != (off_t) -1) {
+ int save_errno = errno;
ignore_value(lseek(fd, cur, SEEK_SET));
+ errno = save_errno;
+ }
return ret;
}
--
2.13.0