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| author | Chen Ni <nichen@iscas.ac.cn> | 2023-10-31 04:00:07 +0000 |
|---|---|---|
| committer | Damien Le Moal <dlemoal@kernel.org> | 2023-11-20 09:22:26 +0900 |
| commit | a6925165ea82b7765269ddd8dcad57c731aa00de (patch) | |
| tree | ee24c49c6ff90aebb442edeb693441daa93b47e5 /drivers/ata | |
| parent | 98b1cc82c4affc16f5598d4fa14b1858671b2263 (diff) | |
| download | lwn-a6925165ea82b7765269ddd8dcad57c731aa00de.tar.gz lwn-a6925165ea82b7765269ddd8dcad57c731aa00de.zip | |
ata: pata_isapnp: Add missing error check for devm_ioport_map()
Add missing error return check for devm_ioport_map() and return the
error if this function call fails.
Fixes: 0d5ff566779f ("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>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/pata_isapnp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/ata/pata_isapnp.c b/drivers/ata/pata_isapnp.c index 25a63d043c8e..0f77e0424066 100644 --- a/drivers/ata/pata_isapnp.c +++ b/drivers/ata/pata_isapnp.c @@ -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; |