drivers/net/r8168: Fix leaking memory from mapping

BUG=b:152157720,b:152459313
BRANCH=none
TEST=none

Change-Id: Ie79c3209d0be719ae1394e87efb357b84ce32840
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39855
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
Edward O'Callaghan 2020-03-26 14:37:37 +11:00 committed by Edward O'Callaghan
parent 2a82f744d4
commit d08bc5ad7a
1 changed files with 3 additions and 0 deletions

View File

@ -117,6 +117,7 @@ static enum cb_err fetch_mac_vpd_key(u8 *macstrbuf, const char *vpd_key)
if (offset == search_length) {
printk(BIOS_ERR,
"Error: Could not locate '%s' in VPD\n", vpd_key);
rdev_munmap(&rdev, search_address);
return CB_ERR;
}
printk(BIOS_DEBUG, "Located '%s' in VPD\n", vpd_key);
@ -124,10 +125,12 @@ static enum cb_err fetch_mac_vpd_key(u8 *macstrbuf, const char *vpd_key)
offset += strlen(vpd_key) + 1; /* move to next character */
if (offset + MACLEN > search_length) {
rdev_munmap(&rdev, search_address);
printk(BIOS_ERR, "Search result too small!\n");
return CB_ERR;
}
memcpy(macstrbuf, search_address + offset, MACLEN);
rdev_munmap(&rdev, search_address);
return CB_SUCCESS;
}