[PATCH AUTOSEL 4.4 60/60] scsi: acornscsi: Fix an error handling path in acornscsi_probe()

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From: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>

[ 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@xxxxxxxxxx
Fixes: e95a1b656a98 ("[ARM] rpc: acornscsi: update to new style ecard driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 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 deaaf84989cd..be595add8026 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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