fs: Convert show_fdinfo functions to void

seq_printf functions shouldn't really check the return value.
Checking seq_has_overflowed() occasionally is used instead.

Update vfs documentation.

Link: http://lkml.kernel.org/p/e37e6e7b76acbdcc3bb4ab2a57c8f8ca1ae11b9a.1412031505.git.joe@perches.com

Cc: David S. Miller <davem@davemloft.net>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Joe Perches <joe@perches.com>
[ did a few clean ups ]
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 3 insertions, 6 deletions

diff --git a/fs/eventfd.c b/fs/eventfd.c
index d6a88e7812f3..4b0a226024fa 100644
--- a/fs/eventfd.c
+++ b/fs/eventfd.c
@@ -287,17 +287,14 @@ static ssize_t eventfd_write(struct file *file, const char __user *buf, size_t c
 }
 
 #ifdef CONFIG_PROC_FS
-static int eventfd_show_fdinfo(struct seq_file *m, struct file *f)
+static void eventfd_show_fdinfo(struct seq_file *m, struct file *f)
 {
         struct eventfd_ctx *ctx = f->private_data;
-        int ret;
 
         spin_lock_irq(&ctx->wqh.lock);
-        ret = seq_printf(m, "eventfd-count: %16llx\n",
-                         (unsigned long long)ctx->count);
+        seq_printf(m, "eventfd-count: %16llx\n",
+                   (unsigned long long)ctx->count);
         spin_unlock_irq(&ctx->wqh.lock);
-
-        return ret;
 }
 #endif