From 734de8b02022bf3b7a5f2111f5314a87ddebcc83 Mon Sep 17 00:00:00 2001 From: Kinga Stefaniuk Date: Tue, 6 Aug 2024 11:14:02 +0200 Subject: [PATCH 153/157] super-intel: fix compilation error MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fix compilation error: super-intel.c: In function ‘end_migration’: super-intel.c:4360:29: error: writing 2 bytes into a region of size 0 [-Werror=stringop-overflow=] 4360 | dev->vol.migr_state = 0; | ~~~~~~~~~~~~~~~~~~~~^~~ cc1: note: destination object is likely at address zero cc1: all warnings being treated as errors make: *** [Makefile:232: super-intel.o] Error 1 reported, when GCC 14 is used. Return when dev is NULL, to avoid it. Signed-off-by: Kinga Stefaniuk --- super-intel.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/super-intel.c b/super-intel.c index ab9b5d3f..f6745e10 100644 --- a/super-intel.c +++ b/super-intel.c @@ -4330,6 +4330,12 @@ static void migrate(struct imsm_dev *dev, struct intel_super *super, static void end_migration(struct imsm_dev *dev, struct intel_super *super, __u8 map_state) { + /* To avoid compilation error, saying dev can't be NULL when + * migr_state is assigned. + */ + if (dev == NULL) + return; + struct imsm_map *map = get_imsm_map(dev, MAP_0); struct imsm_map *prev = get_imsm_map(dev, dev->vol.migr_state == 0 ? MAP_0 : MAP_1); -- 2.41.0