Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL for 3.18 095/102] scsi: libsas: fix memory leak in sas_smp_get_phy_events() | Date | Mon, 19 Mar 2018 16:13:30 +0000 |
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From: Jason Yan <yanaijie@huawei.com>
[ Upstream commit 4a491b1ab11ca0556d2fda1ff1301e862a2d44c4 ]
We've got a memory leak with the following producer:
while true; do cat /sys/class/sas_phy/phy-1:0:12/invalid_dword_count >/dev/null; done
The buffer req is allocated and not freed after we return. Fix it.
Fixes: 2908d778ab3e ("[SCSI] aic94xx: new driver") Signed-off-by: Jason Yan <yanaijie@huawei.com> CC: John Garry <john.garry@huawei.com> CC: chenqilin <chenqilin2@huawei.com> CC: chenxiang <chenxiang66@hisilicon.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> --- drivers/scsi/libsas/sas_expander.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index 0cac7d8fd0f7..98783fecd0b7 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -684,6 +684,7 @@ int sas_smp_get_phy_events(struct sas_phy *phy) phy->phy_reset_problem_count = scsi_to_u32(&resp[24]); out: + kfree(req); kfree(resp); return res; -- 2.14.1
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