summaryrefslogtreecommitdiffstats
path: root/net/mac80211/debugfs.c
diff options
context:
space:
mode:
authorJoe Perches <joe@perches.com>2011-08-29 14:17:31 -0700
committerJohn W. Linville <linville@tuxdriver.com>2011-09-13 15:45:02 -0400
commitd15b84590a1d2ec021ada00a0e67ee5851a0ea2b (patch)
tree2a05aed04345641fec0647c409779345ef0166f3 /net/mac80211/debugfs.c
parent239289e446d4e86ae94b1ca57e358b106cc4bee6 (diff)
downloadblackbird-op-linux-d15b84590a1d2ec021ada00a0e67ee5851a0ea2b.tar.gz
blackbird-op-linux-d15b84590a1d2ec021ada00a0e67ee5851a0ea2b.zip
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>
Diffstat (limited to 'net/mac80211/debugfs.c')
-rw-r--r--net/mac80211/debugfs.c3
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");
OpenPOWER on IntegriCloud