[PATCH] random: remove the unused parameter to avoid the compile warning.

[Xiubo Li]

drivers/char/random.c: In function SYSC_getrandom:
drivers/char/random.c:1526:6: warning: unused variable r [-Wunused-variable]
  int r;
      ^
Signed-off-by: Xiubo Li <Li.Xiubo@xxxxxxxxxxxxx>
---
 drivers/char/random.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/char/random.c b/drivers/char/random.c
index 37d8970..c18d41d 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1523,8 +1523,6 @@ const struct file_operations urandom_fops = {
 SYSCALL_DEFINE3(getrandom, char __user *, buf, size_t, count,
 		unsigned int, flags)
 {
-	int r;
-
 	if (flags & ~(GRND_NONBLOCK|GRND_RANDOM))
 		return -EINVAL;
 
-- 
1.8.5

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