commit fac74ad094c8e9643f46c58dd67dcffaaf5cf571
author Manoj Prabhu B <bmanoj@codeaurora.org> Fri Mar 09 18:38:44 2018 +0530
committer Gerrit - the friendly Code Review server <code-review@localhost> Sun Mar 11 10:34:43 2018 -0700
tree 4e58a49bb2c345b6431f7a2f913c1fa335183c62
parent dd3c272543e0750cda3b227cc2145f8c9ba22065

diag: Update boundary check for UPD session array index

The patch updates the boundary check for the array index
moving beyond the array size.

Change-Id: I9f4cd683a613e32befc0a2dc9c5b25f061df5224
Signed-off-by: Manoj Prabhu B <bmanoj@codeaurora.org>

drivers/char/diag/diagchar_core.c

diff --git a/drivers/char/diag/diagchar_core.c b/drivers/char/diag/diagchar_core.c
index 6e1674b..e81b01a 100644
--- a/drivers/char/diag/diagchar_core.c
+++ b/drivers/char/diag/diagchar_core.c
@@ -1668,7 +1668,7 @@
 		}
 		if (!param->diag_id ||
 			(param->pd_val < UPD_WLAN) ||
-			(param->pd_val > NUM_MD_SESSIONS)) {
+			(param->pd_val >= NUM_MD_SESSIONS)) {
 			DIAG_LOG(DIAG_DEBUG_USERSPACE,
 			"diag_id support is not present for the pd mask = %d\n",
 			param->pd_mask);