From 41f1de6b3cf867f472bba80752d375cd9c6bfe4a Mon Sep 17 00:00:00 2001
From: Sunil Khatri <sunilkh@codeaurora.org>
Date: Wed, 15 Jun 2016 15:25:41 -0700
Subject: [PATCH] msm: kgsl: Cast perfcounter query count to an unsigned int
In adreno_perfcounter_query_group() make sure to cast the user passed
count to an unsigned int before comparing it to the group count.
Otherwise the user count could be interpeted as a signed int and
hilarity ensues.
Bug: 27364029
Change-Id: Ic0dedbad825f5b3fd4434f9b9f6d4d308206c0d9
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Sunil Khatri <sunilkh@codeaurora.org>
---
drivers/gpu/msm/adreno.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/msm/adreno.c b/drivers/gpu/msm/adreno.c
index eecb52ada777..b80bc2b931c0 100644
--- a/drivers/gpu/msm/adreno.c
+++ b/drivers/gpu/msm/adreno.c
@@ -536,7 +536,7 @@ int adreno_perfcounter_query_group(struct adreno_device *adreno_dev,
return 0;
}
- t = min_t(int, group->reg_count, count);
+ t = min_t(unsigned int, group->reg_count, count);
buf = kmalloc(t * sizeof(unsigned int), GFP_KERNEL);
if (buf == NULL) {
--
GitLab