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authorHariprasad Shenai <hariprasad@chelsio.com>2014-09-10 17:44:29 +0530
committerDavid S. Miller <davem@davemloft.net>2014-09-10 14:01:54 -0700
commitc0d5b8cf50c9842d0efcfb14871e58f42c6576e6 (patch)
treec0310b6f380bde6b9355d08657a3a5bccabba138 /drivers
parentfe2ee139aa295936e2bf6b7c620624d871c65058 (diff)
cxgb4: Fix t4_flash_erase_sectors() to throw an error when requested to erase sectors which aren't in the FLASH
Based on original work by Casey Leedom <leedom@chelsio.com> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4_hw.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index 7d4cc28ca365..586a5f1fba0f 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -1099,6 +1099,9 @@ static int t4_flash_erase_sectors(struct adapter *adapter, int start, int end)
{
int ret = 0;
+ if (end >= adapter->params.sf_nsec)
+ return -EINVAL;
+
while (start <= end) {
if ((ret = sf1_write(adapter, 1, 0, 1, SF_WR_ENABLE)) != 0 ||
(ret = sf1_write(adapter, 4, 0, 1,