This is a note to let you know that I've just added the patch titled
fbdev: hpfb: Fix an error handling path in hpfb_dio_probe()
to the 4.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
fbdev-hpfb-fix-an-error-handling-path-in-hpfb_dio_pr.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 3e825844035d4ebe1476680b356ae6219503eb28
Author: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
Date: Thu Aug 1 22:34:39 2024 +0200
fbdev: hpfb: Fix an error handling path in hpfb_dio_probe()
[ Upstream commit aa578e897520f32ae12bec487f2474357d01ca9c ]
If an error occurs after request_mem_region(), a corresponding
release_mem_region() should be called, as already done in the remove
function.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
Signed-off-by: Helge Deller <deller@xxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/video/fbdev/hpfb.c b/drivers/video/fbdev/hpfb.c
index 9230db9ea94b7..47ec02a38f76c 100644
--- a/drivers/video/fbdev/hpfb.c
+++ b/drivers/video/fbdev/hpfb.c
@@ -343,6 +343,7 @@ static int hpfb_dio_probe(struct dio_dev *d, const struct dio_device_id *ent)
if (hpfb_init_one(paddr, vaddr)) {
if (d->scode >= DIOII_SCBASE)
iounmap((void *)vaddr);
+ release_mem_region(d->resource.start, resource_size(&d->resource));
return -ENOMEM;
}
return 0;
