From: kernel test robot <lkp@xxxxxxxxx> drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c:1310:32-38: ERROR: application of sizeof to pointer drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c:1322:32-38: ERROR: application of sizeof to pointer sizeof when applied to a pointer typed expression gives the size of the pointer Generated by: scripts/coccinelle/misc/noderef.cocci CC: Michael Cheng <michael.cheng@xxxxxxxxx> Reported-by: kernel test robot <lkp@xxxxxxxxx> Signed-off-by: kernel test robot <lkp@xxxxxxxxx> --- url: https://github.com/0day-ci/linux/commits/Michael-Cheng/Use-drm_clflush-instead-of-clflush/20220208-041326 base: git://anongit.freedesktop.org/drm-intel for-linux-next :::::: branch date: 2 days ago :::::: commit date: 2 days ago i915_gem_execbuffer.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c @@ -1307,7 +1307,7 @@ static void clflush_write32(u32 *addr, u { if (unlikely(flushes & (CLFLUSH_BEFORE | CLFLUSH_AFTER))) { if (flushes & CLFLUSH_BEFORE) - drm_clflush_virt_range(addr, sizeof(addr)); + drm_clflush_virt_range(addr, sizeof(*addr)); *addr = value; @@ -1319,7 +1319,7 @@ static void clflush_write32(u32 *addr, u * to ensure ordering of clflush wrt to the system. */ if (flushes & CLFLUSH_AFTER) - drm_clflush_virt_range(addr, sizeof(addr)); + drm_clflush_virt_range(addr, sizeof(*addr)); } else *addr = value; }