Add esas2r_unmap_regions() to release the resources allocated by esas2r_map_regions() in some error paths.

Found by code review and compiled on ubuntu 20.04.

Fixes: 26780d9e12ed ("[SCSI] esas2r: ATTO Technology ExpressSAS 6G SAS/SATA RAID Adapter Driver") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li lihaoxiang@isrc.iscas.ac.cn --- drivers/scsi/esas2r/esas2r_init.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/esas2r/esas2r_init.c b/drivers/scsi/esas2r/esas2r_init.c index 04a07fe57be2..114239373f28 100644 --- a/drivers/scsi/esas2r/esas2r_init.c +++ b/drivers/scsi/esas2r/esas2r_init.c @@ -684,7 +684,7 @@ static int __maybe_unused esas2r_resume(struct device *dev) if (!esas2r_power_up(a, true)) { esas2r_debug("yikes, esas2r_power_up failed"); rez = -ENOMEM; - goto error_exit; + goto error_unmap; }

esas2r_claim_interrupts(a); @@ -700,9 +700,11 @@ static int __maybe_unused esas2r_resume(struct device *dev) esas2r_debug("yikes, unable to claim IRQ"); esas2r_log(ESAS2R_LOG_CRIT, "could not re-claim IRQ!"); rez = -ENOMEM; - goto error_exit; + goto error_unmap; }

+error_unmap: + esas2r_unmap_regions(a); error_exit: esas2r_log_dev(ESAS2R_LOG_CRIT, dev, "esas2r_resume(): %d", rez);