kernel/relay.c: handle alloc_percpu returning NULL in relay_open

[linux-2.6-microblaze.git] / kernel / relay.c

diff --git a/kernel/relay.c b/kernel/relay.c
index 90c7a00..dc82705 100644 (file)
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -581,6 +581,11 @@ struct rchan *relay_open(const char *base_filename,
                return NULL;
 
        chan->buf = alloc_percpu(struct rchan_buf *);
+       if (!chan->buf) {
+               kfree(chan);
+               return NULL;
+       }
+
        chan->version = RELAYFS_CHANNEL_VERSION;
        chan->n_subbufs = n_subbufs;
        chan->subbuf_size = subbuf_size;