From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 20 Aug 2014 15:05:50 +0000 (-0400)
Subject: dma-buf: don't open-code atomic_long_read()
X-Git-Tag: firefly_0821_release~176^2~3067^2~25
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a1f6dbac629e36f89a1332b5ae773b831c136ee9;p=firefly-linux-kernel-4.4.55.git

dma-buf: don't open-code atomic_long_read()

... not to mention that even atomic_long_read() is too low-level here -
there's file_count().

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index f3014c448e1e..5be225c2ba98 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -799,7 +799,7 @@ static int dma_buf_describe(struct seq_file *s)
 		seq_printf(s, "%08zu\t%08x\t%08x\t%08ld\t%s\n",
 				buf_obj->size,
 				buf_obj->file->f_flags, buf_obj->file->f_mode,
-				(long)(buf_obj->file->f_count.counter),
+				file_count(buf_obj->file),
 				buf_obj->exp_name);
 
 		seq_puts(s, "\tAttached Devices:\n");