[PATCH] fs/proc/task_mmu.c: fix uninitalized variable warning

[Alakesh Haloi <alakesh.haloi@xxxxxxxxx>]

This patch fixes the following uninitialized variable warning

fs/proc/task_mmu.c: In function 'show_smap.isra.33':
fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized]
  bool last_vma;
       ^~~~~~~~

Cc: stable@xxxxxxxxxxxxxxx # 4.14.x
Signed-off-by: Alakesh Haloi <alakesh.haloi@xxxxxxxxx>
---
 fs/proc/task_mmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 5e63c459dc61..50fc311ee458 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -758,7 +758,7 @@ static int show_smap(struct seq_file *m, void *v, int is_pid)
 	};
 	int ret = 0;
 	bool rollup_mode;
-	bool last_vma;
+	bool uninitialized_var(last_vma);
 
 	if (priv->rollup) {
 		rollup_mode = true;
-- 
2.17.2