[Intel-gfx] [PATCH 13/33] fbdev: sysfs files can't disappear before the device is gone

Daniel Vetter daniel.vetter at ffwll.ch
Mon May 20 08:21:56 UTC 2019


Which means lock_fb_info can never fail. Remove the error handling.

Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie at samsung.com>
Cc: Rob Clark <robdclark at gmail.com>
---
 drivers/video/fbdev/core/fbsysfs.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/video/fbdev/core/fbsysfs.c b/drivers/video/fbdev/core/fbsysfs.c
index 44cca39f2b51..5f329278e55f 100644
--- a/drivers/video/fbdev/core/fbsysfs.c
+++ b/drivers/video/fbdev/core/fbsysfs.c
@@ -179,10 +179,7 @@ static ssize_t store_modes(struct device *device,
 		return -EINVAL;
 
 	console_lock();
-	if (!lock_fb_info(fb_info)) {
-		console_unlock();
-		return -ENODEV;
-	}
+	lock_fb_info(fb_info);
 
 	list_splice(&fb_info->modelist, &old_list);
 	fb_videomode_to_modelist((const struct fb_videomode *)buf, i,
@@ -409,10 +406,7 @@ static ssize_t store_fbstate(struct device *device,
 	state = simple_strtoul(buf, &last, 0);
 
 	console_lock();
-	if (!lock_fb_info(fb_info)) {
-		console_unlock();
-		return -ENODEV;
-	}
+	lock_fb_info(fb_info);
 
 	fb_set_suspend(fb_info, (int)state);
 
-- 
2.20.1



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