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Fixup c91c9f257d ("fbdev: Allow client to request a particular /dev/fbN node")

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We lost a line in the forward port, which meant that it always used
/dev/fb0, and complained that the sysfs nodes already existed.

Fixes: c91c9f257d ("fbdev: Allow client to request a particular /dev/fbN node")

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
This commit is contained in:
Dave Stevenson
2025-10-01 17:36:34 +01:00
committed by Dom Cobley
parent 192c0d1084
commit 9e5f95529b
1 changed files with 2 additions and 0 deletions
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2
drivers/video/fbdev/core/fbmem.c
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@@ -446,6 +446,7 @@ static int do_register_framebuffer(struct fb_info *fb_info)
if (num_registered_fb == FB_MAX)
return -ENXIO;
i = fb_info->node;
if (!fb_info->custom_fb_num || fb_info->node >= FB_MAX || registered_fb[fb_info->node]) {
for (i = min_dynamic_fb ; i < FB_MAX; i++)
if (!registered_fb[i])
@@ -463,6 +464,7 @@ static int do_register_framebuffer(struct fb_info *fb_info)
if (err < 0)
return err;
fb_info->node = i;
refcount_set(&fb_info->count, 1);
mutex_init(&fb_info->lock);
mutex_init(&fb_info->mm_lock);