staging: fbtft: fix potential memory leak in fbtft_framebuffer_alloc()

In the error paths after fb_info structure is successfully allocated,
the memory allocated in fb_deferred_io_init() for info->pagerefs is not
freed. Fix that by adding the cleanup function on the error path.

Fixes: c296d5f995 ("staging: fbtft: core support")
Signed-off-by: Abdun Nihaal <abdun.nihaal@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/20250626172412.18355-1-abdun.nihaal@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Abdun Nihaal
2025-06-30 19:14:38 +02:00
committed by Greg Kroah-Hartman
parent 60212a07cd
commit eb2cb7dab6
+1
View File
@@ -692,6 +692,7 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display,
return info;
release_framebuf:
fb_deferred_io_cleanup(info);
framebuffer_release(info);
alloc_fail: