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@wanadoo.fr>
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Christophe JAILLET 2024-08-01 22:34:39 +02:00 committed by Ksawlii
parent 2c6ef025db
commit 44253057c4

View file

@ -344,6 +344,7 @@ 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;