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authorThomas Zimmermann <tzimmermann@suse.de>2023-06-13 13:06:49 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-09-23 10:59:57 +0200
commit8ffa40ff64aa43a9a28fcf209b48d86a3e0f4972 (patch)
tree0ceb2f7b725b6b96025f778a37d07f46c7b66b0e
parent6d5eb57a02a5b6aae1f10d0a36d92b94bec91a39 (diff)
fbdev/ep93xx-fb: Do not assign to struct fb_info.dev
commit f90a0e5265b60cdd3c77990e8105f79aa2fac994 upstream. Do not assing the Linux device to struct fb_info.dev. The call to register_framebuffer() initializes the field to the fbdev device. Drivers should not override its value. Fixes a bug where the driver incorrectly decreases the hardware device's reference counter and leaks the fbdev device. v2: * add Fixes tag (Dan) Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Fixes: 88017bda96a5 ("ep93xx video driver") Cc: <stable@vger.kernel.org> # v2.6.32+ Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230613110953.24176-15-tzimmermann@suse.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/video/fbdev/ep93xx-fb.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/video/fbdev/ep93xx-fb.c b/drivers/video/fbdev/ep93xx-fb.c
index d04a047094fc..546a5db5241b 100644
--- a/drivers/video/fbdev/ep93xx-fb.c
+++ b/drivers/video/fbdev/ep93xx-fb.c
@@ -474,7 +474,6 @@ static int ep93xxfb_probe(struct platform_device *pdev)
if (!info)
return -ENOMEM;
- info->dev = &pdev->dev;
platform_set_drvdata(pdev, info);
fbi = info->par;
fbi->mach_info = mach_info;