4.19-stable review patch. If anyone has any objections, please let me know.
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From: Christophe JAILLET christophe.jaillet@wanadoo.fr
[ 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 --- drivers/video/fbdev/hpfb.c | 1 + 1 file changed, 1 insertion(+)
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;