From: Eric Biggers <ebiggers@xxxxxxxxxx>
Minus does not mean equals.
Besides fixing an obvious bug, this avoids the following compiler
warning with clang -Wall:
tune2fs.c:3625:20: warning: expression result unused [-Wunused-value]
fsuuid->fsu_len - UUID_SIZE;
~~~~~~~~~~~~~~~ ^ ~~~~~~~~~
Fixes: a83e199da0ca ("tune2fs: Add support for get/set UUID ioctls.")
Reviewed-by: Jeremy Bongio <bongiojp@xxxxxxxxx>
Reviewed-by: Lukas Czerner <lczerner@xxxxxxxxxx>
Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>
---
misc/tune2fs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/misc/tune2fs.c b/misc/tune2fs.c
index 088f87e53..7937b8b56 100644
--- a/misc/tune2fs.c
+++ b/misc/tune2fs.c
@@ -3622,7 +3622,7 @@ _("Warning: The journal is dirty. You may wish to replay the journal like:\n\n"
ret = -1;
#ifdef __linux__
if (fsuuid) {
- fsuuid->fsu_len - UUID_SIZE;
+ fsuuid->fsu_len = UUID_SIZE;
fsuuid->fsu_flags = 0;
memcpy(&fsuuid->fsu_uuid, new_uuid, UUID_SIZE);
ret = ioctl(fd, EXT4_IOC_SETFSUUID, fsuuid);
--
2.39.0
