diff options
Diffstat (limited to 'fs/dlm')
| -rw-r--r-- | fs/dlm/lowcomms.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c index 77382c2ce6da..620eca3979d5 100644 --- a/fs/dlm/lowcomms.c +++ b/fs/dlm/lowcomms.c @@ -1352,6 +1352,12 @@ void *dlm_lowcomms_get_buffer(int nodeid, int len, gfp_t allocation, char **ppc) struct writequeue_entry *e; int offset = 0; + if (len > LOWCOMMS_MAX_TX_BUFFER_LEN) { + BUILD_BUG_ON(PAGE_SIZE < LOWCOMMS_MAX_TX_BUFFER_LEN); + log_print("failed to allocate a buffer of size %d", len); + return NULL; + } + con = nodeid2con(nodeid, allocation); if (!con) return NULL; |