[PATCH v2 20/48] hpsa: fix memory leak in hpsa_alloc_cmd_pool

[Don Brace]

From: Robert Elliott <elli...@hp.com>

Partial allocation failure wasn't handled correctly

Reviewed-by: Scott Teel <scott.t...@pmcs.com>
Signed-off-by: Robert Elliott <elli...@hp.com>
Signed-off-by: Don Brace <don.br...@pmcs.com>
---
 drivers/scsi/hpsa.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index dc328ce..a66a50e 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -211,6 +211,7 @@ static struct CommandList *cmd_special_alloc(struct 
ctlr_info *h);
 static int fill_cmd(struct CommandList *c, u8 cmd, struct ctlr_info *h,
        void *buff, size_t size, u16 page_code, unsigned char *scsi3addr,
        int cmd_type);
+static void hpsa_free_cmd_pool(struct ctlr_info *h);
 #define VPD_PAGE (1 << 8)
 
 static int hpsa_scsi_queue_command(struct Scsi_Host *h, struct scsi_cmnd *cmd);
@@ -6471,9 +6472,12 @@ static int hpsa_allocate_cmd_pool(struct ctlr_info *h)
            || (h->cmd_pool == NULL)
            || (h->errinfo_pool == NULL)) {
                dev_err(&h->pdev->dev, "out of memory in %s", __func__);
-               return -ENOMEM;
+               goto clean_up;
        }
        return 0;
+clean_up:
+       hpsa_free_cmd_pool(h);
+       return -ENOMEM;
 }
 
 static void hpsa_free_cmd_pool(struct ctlr_info *h)

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