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fbdev: hecubafb: fix potential memory leak in hecubafb_probe()

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The memory allocated for pagerefs in fb_deferred_io_init() is not freed
on the error path. Fix it by calling fb_deferred_io_cleanup().

Fixes: 56c134f7f1 ("fbdev: Track deferred-I/O pages in pageref struct")
Cc: stable@vger.kernel.org
Signed-off-by: Abdun Nihaal <nihaal@cse.iitm.ac.in>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Abdun Nihaal
2026-05-14 13:54:30 +05:30
committed by Helge Deller
parent 9402555579
commit cbef2a305a
1 changed files with 5 additions and 1 deletions
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6
drivers/video/fbdev/hecubafb.c
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@@ -192,7 +192,9 @@ static int hecubafb_probe(struct platform_device *dev)
info->flags = FBINFO_VIRTFB;
info->fbdefio = &hecubafb_defio;
fb_deferred_io_init(info);
retval = fb_deferred_io_init(info);
if (retval)
goto err_fbdefio;
retval = register_framebuffer(info);
if (retval < 0)
@@ -209,6 +211,8 @@ static int hecubafb_probe(struct platform_device *dev)
return 0;
err_fbreg:
fb_deferred_io_cleanup(info);
err_fbdefio:
framebuffer_release(info);
err_fballoc:
vfree(videomemory);