From: Li Qiang <liq...@gmail.com>
In NCR_700_detect function, if an error occurs it will return
NULL without freeing the dma non-cosistent memory once allocated.
This patch avoid this.
Signed-off-by: Li Qiang <liq...@gmail.com>
---
drivers/scsi/53c700.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c
index 95e32a4..d5a2ba3 100644
--- a/drivers/scsi/53c700.c
+++ b/drivers/scsi/53c700.c
@@ -332,8 +332,10 @@ struct Scsi_Host *
tpnt->proc_name = "53c700";
host = scsi_host_alloc(tpnt, 4);
- if (!host)
+ if (!host) {
+ dma_free_noncoherent(hostdata->dev, TOTAL_MEM_SIZE, memory,
pScript);
return NULL;
+ }
memset(hostdata->slots, 0, sizeof(struct NCR_700_command_slot)
* NCR_700_COMMAND_SLOTS_PER_HOST);
for (j = 0; j < NCR_700_COMMAND_SLOTS_PER_HOST; j++) {
@@ -394,6 +396,7 @@ struct Scsi_Host *
if (scsi_add_host(host, dev)) {
dev_printk(KERN_ERR, dev, "53c700: scsi_add_host failed\n");
+ dma_free_noncoherent(hostdata->dev, TOTAL_MEM_SIZE, memory,
pScript);
scsi_host_put(host);
return NULL;
}
--
1.8.3.1
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