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* [patch] staging: wilc1000: off by one in get_handler_from_id()
@ 2015-09-15  6:54 Dan Carpenter
  0 siblings, 0 replies; only message in thread
From: Dan Carpenter @ 2015-09-15  6:54 UTC (permalink / raw)
  To: kernel-janitors

The > should be >= here or we read beyond the end of the array.

Fixes: d42ab0838d04 ('staging: wilc1000: use id value as argument')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c
index 59a1a9d..621fd18 100644
--- a/drivers/staging/wilc1000/host_interface.c
+++ b/drivers/staging/wilc1000/host_interface.c
@@ -637,7 +637,7 @@ static int get_id_from_handler(tstrWILC_WFIDrv *handler)
 
 static tstrWILC_WFIDrv *get_handler_from_id(int id)
 {
-	if (id <= 0 || id > ARRAY_SIZE(wfidrv_list))
+	if (id <= 0 || id >= ARRAY_SIZE(wfidrv_list))
 		return NULL;
 	return wfidrv_list[id];
 }

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2015-09-15  6:54 [patch] staging: wilc1000: off by one in get_handler_from_id() Dan Carpenter

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