Using DEFINE_DEBUGFS_ATTRIBUTE macro with debugfs_create_file_unsafe() function in place of the debugfs_create_file() function will make the file operation struct "reset" aware of the file's lifetime. Additional details here: https://lists.archive.carbon60.com/linux/kernel/2369498
Issue reported by Coccinelle script: scripts/coccinelle/api/debugfs/debugfs_simple_attr.cocci
Signed-off-by: Deepak R Varma mh12gx2825@gmail.com --- Please Note: This is project task specific patch.
drivers/gpu/drm/msm/adreno/a5xx_debugfs.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/msm/adreno/a5xx_debugfs.c b/drivers/gpu/drm/msm/adreno/a5xx_debugfs.c index fc2c905b6c9e..ffe1fb9be155 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_debugfs.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_debugfs.c @@ -138,7 +138,7 @@ reset_set(void *data, u64 val) return 0; }
-DEFINE_SIMPLE_ATTRIBUTE(reset_fops, NULL, reset_set, "%llx\n"); +DEFINE_DEBUGFS_ATTRIBUTE(reset_fops, NULL, reset_set, "%llx\n");
void a5xx_debugfs_init(struct msm_gpu *gpu, struct drm_minor *minor) @@ -154,6 +154,6 @@ void a5xx_debugfs_init(struct msm_gpu *gpu, struct drm_minor *minor) ARRAY_SIZE(a5xx_debugfs_list), minor->debugfs_root, minor);
- debugfs_create_file("reset", S_IWUGO, minor->debugfs_root, dev, - &reset_fops); + debugfs_create_file_unsafe("reset", S_IWUGO, minor->debugfs_root, dev, + &reset_fops); }