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authorAlexey Khoroshilov <khoroshilov@ispras.ru>2018-12-20 18:13:07 (GMT)
committerBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>2018-12-20 18:13:07 (GMT)
commitfdac751355cd76e049f628afe6acb8ff4b1399f7 (patch)
tree5c890e50af20043d718ea86392bc8d8576f45dbe /drivers/video
parentb4a1ed0cd18b771e4279b4eb9cf39b565560eea6 (diff)
video: clps711x-fb: release disp device node in probe()
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>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/fbdev/clps711x-fb.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/video/fbdev/clps711x-fb.c b/drivers/video/fbdev/clps711x-fb.c
index ff56107..42f9096 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;

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