[PATCH v1] src/vfs/utils: Reset errno to zero when detect O_TMPFILE

[Date Prev] [Date Next] [Thread Prev] [Thread Next] [Date Index] [Thread Index]



For some filesystem that doesn't support O_TMPFILE, it will pass
ENOTSUP errno to upper layer. so it will report the following error:
QA output created by 696
vfstest.c: 1818: setgid_create_umask - Success - failure: is_setgid
vfstest.c: 2421: run_test - Operation not supported - failure...

To fix this, just reset errno before return.

Signed-off-by: Yang Xu <xuyang2018.jy@xxxxxxxxxxx>
---
 src/vfs/utils.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/vfs/utils.c b/src/vfs/utils.c
index 6db7a11d..8b000506 100644
--- a/src/vfs/utils.c
+++ b/src/vfs/utils.c
@@ -921,10 +921,12 @@ bool openat_tmpfile_supported(int dirfd)
 
 	fd = openat(dirfd, ".", O_TMPFILE | O_RDWR, S_IXGRP | S_ISGID);
 	if (fd == -1) {
-		if (errno == ENOTSUP)
+		if (errno == ENOTSUP) {
+			errno = 0; /* Don't report misleading errno. */
 			return false;
-		else
+		} else {
 			return log_errno(false, "failure: create");
+		}
 	}
 
 	if (close(fd))
-- 
2.27.0




[Index of Archives]     [Linux Filesystems Development]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux