summaryrefslogtreecommitdiff
path: root/drivers/scsi/pm8001
diff options
context:
space:
mode:
authorTomas Henzl <thenzl@redhat.com>2014-07-07 19:19:58 +0400
committerChristoph Hellwig <hch@lst.de>2014-07-26 01:17:05 +0400
commitf3a0655f9ba293ff64bf0f74f79595f922db8f9e (patch)
treea240763c24be822da91e3f69760089674d1f36a8 /drivers/scsi/pm8001
parent31d05e5b14f362c7ea99d1d9e977771ef434b820 (diff)
downloadlinux-f3a0655f9ba293ff64bf0f74f79595f922db8f9e.tar.xz
pm8001: fix a memory leak in nvmd_resp
Instead of copying information to fw_control_context free it. The task is forgotten thus also the reference to fw_control_context and the completion thread takes the info from virt_ptr again. Signed-off-by: Tomas Henzl <thenzl@redhat.com> Acked-by: Suresh Thiagarajan <Suresh.Thiagarajan@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi/pm8001')
-rw-r--r--drivers/scsi/pm8001/pm8001_hwi.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
index 2e5eb4bae44f..173831016f5f 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.c
+++ b/drivers/scsi/pm8001/pm8001_hwi.c
@@ -3132,7 +3132,6 @@ void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
void
pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
{
- struct fw_control_ex *fw_control_context;
struct get_nvm_data_resp *pPayload =
(struct get_nvm_data_resp *)(piomb + 4);
u32 tag = le32_to_cpu(pPayload->tag);
@@ -3141,7 +3140,6 @@ pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
u32 ir_tds_bn_dps_das_nvm =
le32_to_cpu(pPayload->ir_tda_bn_dps_das_nvm);
void *virt_addr = pm8001_ha->memoryMap.region[NVMD].virt_ptr;
- fw_control_context = ccb->fw_control_context;
PM8001_MSG_DBG(pm8001_ha, pm8001_printk("Get nvm data complete!\n"));
if ((dlen_status & NVMD_STAT) != 0) {
@@ -3182,13 +3180,11 @@ pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
pm8001_printk("Get NVMD success, IR=0, dataLen=%d\n",
(dlen_status & NVMD_LEN) >> 24));
}
- memcpy(fw_control_context->usrAddr,
- pm8001_ha->memoryMap.region[NVMD].virt_ptr,
- fw_control_context->len);
- complete(pm8001_ha->nvmd_completion);
+ kfree(ccb->fw_control_context);
ccb->task = NULL;
ccb->ccb_tag = 0xFFFFFFFF;
pm8001_tag_free(pm8001_ha, tag);
+ complete(pm8001_ha->nvmd_completion);
}
int pm8001_mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha, void *piomb)