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Code Issues Releases Wiki Activity

video: fbdev: clcdfb: Fix refcount leak in clcdfb_of_vram_setup

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of_parse_phandle() returns a node pointer with refcount incremented, we should
use of_node_put() on it when not need anymore.  Add missing of_node_put() to
avoid refcount leak.

Fixes: d10715be03 ("video: ARM CLCD: Add DT support")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Miaoqian Lin 2022-05-12 15:59:08 +04:00 committed by Helge Deller
parent c4b4d7047f
commit b23789a59f
1 changed files with 4 additions and 1 deletions
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5
drivers/video/fbdev/amba-clcd.c
View file

@ -758,12 +758,15 @@ static int clcdfb_of_vram_setup(struct clcd_fb *fb)
return -ENODEV;
fb->fb.screen_base = of_iomap(memory, 0);
if (!fb->fb.screen_base)
if (!fb->fb.screen_base) {
of_node_put(memory);
return -ENOMEM;
}
fb->fb.fix.smem_start = of_translate_address(memory,
of_get_address(memory, 0, &size, NULL));
fb->fb.fix.smem_len = size;
of_node_put(memory);
return 0;
}