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ata: pata_isapnp: Add missing error check for devm_ioport_map()

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[ Upstream commit a6925165ea82b7765269ddd8dcad57c731aa00de ]

Add missing error return check for devm_ioport_map() and return the
error if this function call fails.

Fixes: 0d5ff56677 ("libata: convert to iomap")
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chen Ni 2023-10-31 04:00:07 +00:00 committed by Greg Kroah-Hartman
parent 9d980808f9
commit bfdda8c9c5
1 changed files with 3 additions and 0 deletions
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3
drivers/ata/pata_isapnp.c
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@ -82,6 +82,9 @@ static int isapnp_init_one(struct pnp_dev *idev, const struct pnp_device_id *dev
if (pnp_port_valid(idev, 1)) {
ctl_addr = devm_ioport_map(&idev->dev,
pnp_port_start(idev, 1), 1);
if (!ctl_addr)
return -ENOMEM;
ap->ioaddr.altstatus_addr = ctl_addr;
ap->ioaddr.ctl_addr = ctl_addr;
ap->ops = &isapnp_port_ops;