i have just noticed: The function already exits 194 static void exynos_drm_postclose(struct drm_device *dev, struct drm_file *file) 195 { 196 if (!file->driver_priv) 197 return; 198 199 kfree(file->driver_priv); 200 file->driver_priv = NULL; 201 } Am 21.01.2014 13:37, schrieb walter harms: > > > Am 21.01.2014 07:57, schrieb Dan Carpenter: >> If exynos_drm_subdrv_open() fails then we re-use "file_priv". >> >> Fixes: 96f5421523df ('drm/exynos: use a new anon file for exynos gem mmaper') >> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> >> >> diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c >> index 9d096a0c5f8d..3c845292845a 100644 >> --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c >> +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c >> @@ -174,6 +174,7 @@ static int exynos_drm_open(struct drm_device *dev, struct drm_file *file) >> if (ret) { >> kfree(file_priv); >> file->driver_priv = NULL; >> + return ret; >> } > > using > kfree( file->driver_priv ); > file->driver_priv = NULL; > > would be less confusing to read, and give checkers a better chance to spot mistakes. > (btw: file_priv could be removed from this function completely). > > just my 2 cents, > re, > wh > >> >> anon_filp = anon_inode_getfile("exynos_gem", &exynos_drm_gem_fops, >> @@ -186,7 +187,7 @@ static int exynos_drm_open(struct drm_device *dev, struct drm_file *file) >> anon_filp->f_mode = FMODE_READ | FMODE_WRITE; >> file_priv->anon_filp = anon_filp; >> >> - return ret; >> + return 0; >> } >> >> static void exynos_drm_preclose(struct drm_device *dev, >> -- >> To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> > -- > To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html