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

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[ Upstream commit aa578e8975 ]

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>
This commit is contained in:
Christophe JAILLET 2024-08-01 22:34:39 +02:00 committed by Greg Kroah-Hartman
parent 508a550eec
commit 9b97d6b08b
1 changed files with 1 additions and 0 deletions
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drivers/video/fbdev/hpfb.c
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@ -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;