| From | Sasha Levin <> | Subject | [PATCH 4.4 054/135] scsi: acornscsi: Fix an error handling path in acornscsi_probe() | Date | Mon, 29 Jun 2020 11:51:48 -0400 |
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From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
[ Upstream commit 42c76c9848e13dbe0538d7ae0147a269dfa859cb ]
'ret' is known to be 0 at this point. Explicitly return -ENOMEM if one of the 'ecardm_iomap()' calls fail.
Link: https://lore.kernel.org/r/20200530081622.577888-1-christophe.jaillet@wanadoo.fr Fixes: e95a1b656a98 ("[ARM] rpc: acornscsi: update to new style ecard driver") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/scsi/arm/acornscsi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/arm/acornscsi.c b/drivers/scsi/arm/acornscsi.c index deaaf84989cd1..be595add8026b 100644 --- a/drivers/scsi/arm/acornscsi.c +++ b/drivers/scsi/arm/acornscsi.c @@ -2912,8 +2912,10 @@ static int acornscsi_probe(struct expansion_card *ec, const struct ecard_id *id) ashost->base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0); ashost->fast = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0); - if (!ashost->base || !ashost->fast) + if (!ashost->base || !ashost->fast) { + ret = -ENOMEM; goto out_put; + } host->irq = ec->irq; ashost->host = host; -- 2.25.1
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