4.4-stable review patch. If anyone has any objections, please let me know.
------------------
[ Upstream commit 98f90debc2b64a40a416dd9794ac2d8de6b43af2 ]
Releasing allocated resource if get configuration data failed.
Signed-off-by: Ching Huang <ching2048@xxxxxxxxxxxx>
Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx>
Reviewed-by: Hannes Reinicke <hare@xxxxxxx>
Reviewed-by: Tomas Henzl <thenzl@xxxxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/scsi/arcmsr/arcmsr_hba.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -2664,7 +2664,7 @@ static bool arcmsr_hbaB_get_config(struc
if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
miscellaneous data' timeout \n", acb->host->host_no);
- return false;
+ goto err_free_dma;
}
count = 8;
while (count){
@@ -2707,6 +2707,10 @@ static bool arcmsr_hbaB_get_config(struc
acb->firm_cfg_version = readl(®->message_rwbuffer[25]); /*firm_cfg_version,25,100-103*/
/*firm_ide_channels,4,16-19*/
return true;
+err_free_dma:
+ dma_free_coherent(&acb->pdev->dev, acb->roundup_ccbsize,
+ acb->dma_coherent2, acb->dma_coherent_handle2);
+ return false;
}
static bool arcmsr_hbaC_get_config(struct AdapterControlBlock *pACB)
--
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