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fbdev: hpfb: Fix an error handling path in hpfb_dio_probe()

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BugLink: https://bugs.launchpad.net/bugs/2089340

[ 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: 1da177e4c3 ("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>
Signed-off-by: Portia Stephens <portia.stephens@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
This commit is contained in:
Christophe JAILLET
2024-08-01 22:34:39 +02:00
committed by Mehmet Basaran
parent 7dc4e04213
commit e6edfdc8c4
1 changed files with 1 additions and 0 deletions
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drivers/video/fbdev/hpfb.c
+1
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@@ -345,6 +345,7 @@ 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;