[PATCH AUTOSEL 5.10 20/21] gcov: clang: fix clang-11+ build

From: Sasha Levin
Date: Mon Apr 19 2021 - 16:47:21 EST


From: Johannes Berg <johannes.berg@xxxxxxxxx>

[ Upstream commit 04c53de57cb6435738961dace8b1b71d3ecd3c39 ]

With clang-11+, the code is broken due to my kvmalloc() conversion
(which predated the clang-11 support code) leaving one vmalloc() in
place. Fix that.

Link: https://lkml.kernel.org/r/20210412214210.6e1ecca9cdc5.I24459763acf0591d5e6b31c7e3a59890d802f79c@changeid
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Reviewed-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
Tested-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
kernel/gcov/clang.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/gcov/clang.c b/kernel/gcov/clang.c
index c466c7fbdece..b81f2823630d 100644
--- a/kernel/gcov/clang.c
+++ b/kernel/gcov/clang.c
@@ -369,7 +369,7 @@ static struct gcov_fn_info *gcov_fn_info_dup(struct gcov_fn_info *fn)
INIT_LIST_HEAD(&fn_dup->head);

cv_size = fn->num_counters * sizeof(fn->counters[0]);
- fn_dup->counters = vmalloc(cv_size);
+ fn_dup->counters = kvmalloc(cv_size, GFP_KERNEL);
if (!fn_dup->counters) {
kfree(fn_dup);
return NULL;
--
2.30.2