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cxgb4: Fix t4_flash_erase_sectors() to throw an error when requested to erase sectors which aren't in the FLASH

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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>
This commit is contained in:
Hariprasad Shenai 2014-09-10 17:44:29 +05:30 committed by David S. Miller
parent fe2ee139aa
commit c0d5b8cf50
1 changed files with 3 additions and 0 deletions
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3
drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
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@ -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,