Hi, On Fri, Oct 30, 2020 at 09:01:50AM +0530, Deepak R Varma wrote:
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
Reviewed-by: Guido Günther agx@sigxcpu.org
Cheers, -- Guido
Please Note: This is a Outreachy project task patch.
drivers/gpu/drm/panel/panel-sitronix-st7703.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7703.c b/drivers/gpu/drm/panel/panel-sitronix-st7703.c index c22e7c49e077..89b71d4f810d 100644 --- a/drivers/gpu/drm/panel/panel-sitronix-st7703.c +++ b/drivers/gpu/drm/panel/panel-sitronix-st7703.c @@ -502,15 +502,14 @@ static int allpixelson_set(void *data, u64 val) return 0; }
-DEFINE_SIMPLE_ATTRIBUTE(allpixelson_fops, NULL,
allpixelson_set, "%llu\n");
+DEFINE_DEBUGFS_ATTRIBUTE(allpixelson_fops, NULL, allpixelson_set, "%llu\n");
static void st7703_debugfs_init(struct st7703 *ctx) { ctx->debugfs = debugfs_create_dir(DRV_NAME, NULL);
- debugfs_create_file("allpixelson", 0600, ctx->debugfs, ctx,
&allpixelson_fops);
- debugfs_create_file_unsafe("allpixelson", 0600, ctx->debugfs, ctx,
&allpixelson_fops);
}
static void st7703_debugfs_remove(struct st7703 *ctx)
2.25.1