mac80211: Remove unnecessary OOM logging messages

Removing unnecessary messages saves code and text.

Site specific OOM messages are duplications of a generic MM
out of memory message and aren't really useful, so just
delete them.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 267ed45ef6a2..569609b94c8c 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -297,6 +297,9 @@ static ssize_t hwflags_read(struct file *file, char __user *user_buf,
         char *buf = kzalloc(mxln, GFP_KERNEL);
         int sf = 0; /* how many written so far */
 
+        if (!buf)
+                return 0;
+
         sf += snprintf(buf, mxln - sf, "0x%x\n", local->hw.flags);
         if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
                 sf += snprintf(buf + sf, mxln - sf, "HAS_RATE_CONTROL\n");