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-rw-r--r--kernel/kcov.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/kcov.c b/kernel/kcov.c
index 9f4affae4f..f0a69d4020 100644
--- a/kernel/kcov.c
+++ b/kernel/kcov.c
@@ -627,7 +627,8 @@ static int kcov_ioctl_locked(struct kcov *kcov, unsigned int cmd,
mode = kcov_get_mode(remote_arg->trace_mode);
if (mode < 0)
return mode;
- if (remote_arg->area_size > LONG_MAX / sizeof(unsigned long))
+ if ((unsigned long)remote_arg->area_size >
+ LONG_MAX / sizeof(unsigned long))
return -EINVAL;
kcov->mode = mode;
t->kcov = kcov;