diff options
| author | Varun Prakash <varun@chelsio.com> | 2017-05-17 18:00:43 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-05-19 04:37:27 +0300 |
| commit | a351e40b6de550049423a26f7ded7b639e363d89 (patch) | |
| tree | b15bb3bc32b9721c0425115b5166ae3d7fc1ccab /drivers/scsi/csiostor | |
| parent | 463f620b1256e0488d932088e04a372817e8c42e (diff) | |
| download | linux-a351e40b6de550049423a26f7ded7b639e363d89.tar.xz | |
scsi: csiostor: fix use after free in csio_hw_use_fwconfig()
mbp pointer is passed to csio_hw_validate_caps() so call mempool_free()
after calling csio_hw_validate_caps().
Signed-off-by: Varun Prakash <varun@chelsio.com>
Fixes: 541c571fa2fd ("csiostor:Use firmware version from cxgb4/t4fw_version.h")
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/csiostor')
| -rw-r--r-- | drivers/scsi/csiostor/csio_hw.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/scsi/csiostor/csio_hw.c b/drivers/scsi/csiostor/csio_hw.c index 622bdabc8894..dab195f04da7 100644 --- a/drivers/scsi/csiostor/csio_hw.c +++ b/drivers/scsi/csiostor/csio_hw.c @@ -1769,7 +1769,6 @@ csio_hw_use_fwconfig(struct csio_hw *hw, int reset, u32 *fw_cfg_param) goto bye; } - mempool_free(mbp, hw->mb_mempool); if (finicsum != cfcsum) { csio_warn(hw, "Config File checksum mismatch: csum=%#x, computed=%#x\n", @@ -1780,6 +1779,10 @@ csio_hw_use_fwconfig(struct csio_hw *hw, int reset, u32 *fw_cfg_param) rv = csio_hw_validate_caps(hw, mbp); if (rv != 0) goto bye; + + mempool_free(mbp, hw->mb_mempool); + mbp = NULL; + /* * Note that we're operating with parameters * not supplied by the driver, rather than from hard-wired |