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authorZhu Yi <yi.zhu@intel.com>2005-11-17 13:58:30 +0800
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-17 08:32:58 -0800
commit3b26b1100e26811e54770abaa221eae140ba840d (patch)
treeeb19e8e3145dfeb93ca5f1f9882302f5831fb35b /drivers
parentefb3442cf1c65747a858476e10f705612383eed1 (diff)
[PATCH] ipw2200: fix error log offset calculation
This fixes a slab corruption issue in the ipw2200 driver: it essentially multiplied the error log number _twice_ by the size of the error element entry (once explicitly in the code, and once implicitly as part of the regular pointer arithmetic). Cc: Henrik Brix Andersen <brix@gentoo.org> Cc: Bernard Blackham <bernard@blackham.com.au> Cc: Zilvinas Valinskas <zilvinas@gemtek.lt> Cc: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org> --
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/ipw2200.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c
index 374b682e4d6..5e7c7e944c9 100644
--- a/drivers/net/wireless/ipw2200.c
+++ b/drivers/net/wireless/ipw2200.c
@@ -1110,8 +1110,7 @@ static struct ipw_fw_error *ipw_alloc_error_log(struct ipw_priv *priv)
error->elem_len = elem_len;
error->log_len = log_len;
error->elem = (struct ipw_error_elem *)error->payload;
- error->log = (struct ipw_event *)(error->elem +
- (sizeof(*error->elem) * elem_len));
+ error->log = (struct ipw_event *)(error->elem + elem_len);
ipw_capture_event_log(priv, log_len, error->log);