diff options
-rw-r--r-- | fs/dlm/lowcomms.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c index 4f2245e8677f..206bd30feb29 100644 --- a/fs/dlm/lowcomms.c +++ b/fs/dlm/lowcomms.c @@ -1376,9 +1376,11 @@ 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); + if (len > DEFAULT_BUFFER_SIZE || + len < sizeof(struct dlm_header)) { + BUILD_BUG_ON(PAGE_SIZE < DEFAULT_BUFFER_SIZE); log_print("failed to allocate a buffer of size %d", len); + WARN_ON(1); return NULL; } |