Messages in this thread Patch in this message | | | From | Alexey Khoroshilov <> | Subject | [PATCH] video: clps711x-fb: release disp device node in probe() | Date | Sat, 3 Nov 2018 01:23:43 +0300 |
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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> --- drivers/video/fbdev/clps711x-fb.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
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; -- 2.7.4
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