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dm9000: NULL dereferences on error in probe()

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The dm9000_release_board() function is called with NULL ->data_req and
->addr_req pointers if dm9000_probe() fails.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dan Carpenter 2014-08-01 11:23:57 +03:00 committed by David S. Miller
parent 188b1210f3
commit a5536e1094
1 changed files with 4 additions and 2 deletions
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6
drivers/net/ethernet/davicom/dm9000.c
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@ -817,10 +817,12 @@ dm9000_release_board(struct platform_device *pdev, struct board_info *db)
/* release the resources */
release_resource(db->data_req);
if (db->data_req)
release_resource(db->data_req);
kfree(db->data_req);
release_resource(db->addr_req);
if (db->addr_req)
release_resource(db->addr_req);
kfree(db->addr_req);
}