proc: bootconfig: Add null pointer check

[linux-2.6-microblaze.git] / fs / proc / bootconfig.c

diff --git a/fs/proc/bootconfig.c b/fs/proc/bootconfig.c
index 6d8d4bf..2e244ad 100644 (file)
--- a/fs/proc/bootconfig.c
+++ b/fs/proc/bootconfig.c
@@ -32,6 +32,8 @@ static int __init copy_xbc_key_value_list(char *dst, size_t size)
        int ret = 0;
 
        key = kzalloc(XBC_KEYLEN_MAX, GFP_KERNEL);
+       if (!key)
+               return -ENOMEM;
 
        xbc_for_each_key_value(leaf, val) {
                ret = xbc_node_compose_key(leaf, key, XBC_KEYLEN_MAX);