From: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
Fix strict gcc warnings in tailf that come from using:
("-Wall -Wp,-D_FORTIFY_SOURCE=2")
fstab.c:770: warning: ignoring return value of 'chown', declared with attribute warn_unused_result
Builds cleanly on x86_32 and x86_64.
Signed-off-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
---
mount/fstab.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
--- util-linux-ng-2.13.orig/mount/fstab.c
+++ util-linux-ng-2.13/mount/fstab.c
@@ -766,8 +766,13 @@ update_mtab (const char *dir, struct my_
* from the present mtab before renaming.
*/
struct stat sbuf;
- if (stat (MOUNTED, &sbuf) == 0)
- chown (MOUNTED_TEMP, sbuf.st_uid, sbuf.st_gid);
+ if (stat (MOUNTED, &sbuf) == 0) {
+ if (chown (MOUNTED_TEMP, sbuf.st_uid, sbuf.st_gid) < 0) {
+ int err = errno;
+ fprintf (stderr, _("Cannot chown of %s: %s\n"),
+ MOUNTED_TEMP, strerror(err));
+ }
+ }
}
/* rename mtemp to mtab */
-
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