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| author |   Jason Yan <yanaijie@huawei.com> | 2018-01-04 21:04:31 +0800 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2018-01-08 21:41:43 -0500 |
| commit | 4a491b1ab11ca0556d2fda1ff1301e862a2d44c4 (patch) | |
| tree | 6668d2b298ea93e5ace0d74abce42b5915edaebf /drivers/scsi/libsas/sas_expander.c | |
| parent | scsi: hpsa: Use vsnprintf extension %phN (diff) | |
| download | linux-dev-4a491b1ab11ca0556d2fda1ff1301e862a2d44c4.tar.xz linux-dev-4a491b1ab11ca0556d2fda1ff1301e862a2d44c4.zip | |
scsi: libsas: fix memory leak in sas_smp_get_phy_events()
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>
Diffstat (limited to 'drivers/scsi/libsas/sas_expander.c')
| -rw-r--r-- | drivers/scsi/libsas/sas_expander.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index ca1566237ae7..1de59c0fdbc0 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -695,6 +695,7 @@ 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; |