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* [PATCH] userfaultfd: remove redundant pointer uwq
@ 2018-07-17  9:08 Colin King
  0 siblings, 0 replies; only message in thread
From: Colin King @ 2018-07-17  9:08 UTC (permalink / raw)
  To: Alexander Viro, linux-fsdevel; +Cc: kernel-janitors, linux-kernel

From: Colin Ian King <colin.king@canonical.com>

Pointer uwq is being assigned but is never used hence it is
redundant and can be removed.

Cleans up clang warning:
warning: variable 'uwq' set but not used [-Wunused-but-set-variable]

Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 fs/userfaultfd.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index 594d192b2331..0bc422ae8a46 100644
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -1847,17 +1847,14 @@ static void userfaultfd_show_fdinfo(struct seq_file *m, struct file *f)
 {
 	struct userfaultfd_ctx *ctx = f->private_data;
 	wait_queue_entry_t *wq;
-	struct userfaultfd_wait_queue *uwq;
 	unsigned long pending = 0, total = 0;
 
 	spin_lock(&ctx->fault_pending_wqh.lock);
 	list_for_each_entry(wq, &ctx->fault_pending_wqh.head, entry) {
-		uwq = container_of(wq, struct userfaultfd_wait_queue, wq);
 		pending++;
 		total++;
 	}
 	list_for_each_entry(wq, &ctx->fault_wqh.head, entry) {
-		uwq = container_of(wq, struct userfaultfd_wait_queue, wq);
 		total++;
 	}
 	spin_unlock(&ctx->fault_pending_wqh.lock);
-- 
2.17.1


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