From: Jing Xiangfeng jingxiangfeng@huawei.com
stable inclusion from stable-5.10.52 commit 0fedfa72aedc6cf1950da2b767cdf0e77e1116f7 bugzilla: 175542 https://gitee.com/openeuler/kernel/issues/I4DTKU
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
--------------------------------
[ Upstream commit cd8f318fbd266b127ffc93cc4c1eaf9a5196fafb ]
psb_user_framebuffer_create() misses to call drm_gem_object_put() in an error path. Add the missed function call to fix it.
Signed-off-by: Jing Xiangfeng jingxiangfeng@huawei.com Signed-off-by: Daniel Vetter daniel.vetter@ffwll.ch Link: https://patchwork.freedesktop.org/patch/msgid/20210629115956.15160-1-jingxia... Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Chen Jun chenjun102@huawei.com Acked-by: Weilong Chen chenweilong@huawei.com Signed-off-by: Chen Jun chenjun102@huawei.com --- drivers/gpu/drm/gma500/framebuffer.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c index 54d9876b5305..6ef4ea07d1bb 100644 --- a/drivers/gpu/drm/gma500/framebuffer.c +++ b/drivers/gpu/drm/gma500/framebuffer.c @@ -435,6 +435,7 @@ static struct drm_framebuffer *psb_user_framebuffer_create const struct drm_mode_fb_cmd2 *cmd) { struct drm_gem_object *obj; + struct drm_framebuffer *fb;
/* * Find the GEM object and thus the gtt range object that is @@ -445,7 +446,11 @@ static struct drm_framebuffer *psb_user_framebuffer_create return ERR_PTR(-ENOENT);
/* Let the core code do all the work */ - return psb_framebuffer_create(dev, cmd, obj); + fb = psb_framebuffer_create(dev, cmd, obj); + if (IS_ERR(fb)) + drm_gem_object_put(obj); + + return fb; }
static int psbfb_probe(struct drm_fb_helper *fb_helper,