New patch to review for coreboot: 5a6ee99 libpayload/drivers/storage/ahci.c: Fix resource leak

[Paul Menzel]

Paul Menzel ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/7980

-gerrit

commit 5a6ee99a66a789eaad6c23c08be1199132669e36
Author: Paul Menzel 
Date:   Mon Dec 29 21:48:55 2014 +0100

libpayload/drivers/storage/ahci.c: Fix resource leak

CID 1260719:  Resource leak  (RESOURCE_LEAK)
    Variable "dev" going out of scope leaks the storage it points to.

So free the memory space pointed to by `dev` before returning.

Change-Id: Iabf00c9dc744a24d04adff6d253d0295b130d9c4
    Signed-off-by: Paul Menzel 
    Found-by: Coverity Scan
---
 payloads/libpayload/drivers/storage/ahci.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/payloads/libpayload/drivers/storage/ahci.c b/payloads/libpayload/drivers/storage/ahci.c
index 4eef843..a17383a 100644
--- a/payloads/libpayload/drivers/storage/ahci.c
+++ b/payloads/libpayload/drivers/storage/ahci.c
@@ -120,12 +120,16 @@ static int ahci_dev_init(hba_ctrl_t *const ctrl,
    memset((void *)rcvd_fis, '\0', sizeof(*rcvd_fis));

/* Set command list base and received FIS base. */
-	if (ahci_cmdengine_stop(port))
+	if (ahci_cmdengine_stop(port)) {
+		free(dev);
    	return 1;
+	}
    port->cmdlist_base = virt_to_phys(cmdlist);
    port->frameinfo_base = virt_to_phys(rcvd_fis);
-	if (ahci_cmdengine_start(port))
+	if (ahci_cmdengine_start(port)) {
+		free(dev);
    	return 1;
+	}
    /* Put port into active state. */
    port->cmd_stat |= HBA_PxCMD_ICC_ACTIVE;