diff options
| author | Alexey Khoroshilov <khoroshilov@ispras.ru> | 2018-12-20 19:13:07 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-02-12 19:44:56 +0100 |
| commit | 55e7919907f076f585edab28a99dc83bd0971dcd (patch) | |
| tree | e986789fee65449a6514a9cf29bf4fb480dafeeb | |
| parent | c9fd3741c4c70554ae2758a5f3f6d70b29c32270 (diff) | |
video: clps711x-fb: release disp device node in probe()
[ Upstream commit fdac751355cd76e049f628afe6acb8ff4b1399f7 ]
clps711x_fb_probe() increments refcnt of disp device node by
of_parse_phandle() and leaves it undecremented on both
successful and error paths.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Cc: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/video/fbdev/clps711x-fb.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/video/fbdev/clps711x-fb.c b/drivers/video/fbdev/clps711x-fb.c index ff561073ee4e..42f909618f04 100644 --- a/drivers/video/fbdev/clps711x-fb.c +++ b/drivers/video/fbdev/clps711x-fb.c @@ -287,14 +287,17 @@ static int clps711x_fb_probe(struct platform_device *pdev) } ret = of_get_fb_videomode(disp, &cfb->mode, OF_USE_NATIVE_MODE); - if (ret) + if (ret) { + of_node_put(disp); goto out_fb_release; + } of_property_read_u32(disp, "ac-prescale", &cfb->ac_prescale); cfb->cmap_invert = of_property_read_bool(disp, "cmap-invert"); ret = of_property_read_u32(disp, "bits-per-pixel", &info->var.bits_per_pixel); + of_node_put(disp); if (ret) goto out_fb_release; |