diff options
Diffstat (limited to 'fs/pipe.c')
| -rw-r--r-- | fs/pipe.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/pipe.c b/fs/pipe.c index 46c30ac777da..817393d36244 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -1020,10 +1020,13 @@ const struct file_operations pipefifo_fops = { * Currently we rely on the pipe array holding a power-of-2 number * of pages. Returns 0 on error. */ -unsigned int round_pipe_size(unsigned int size) +unsigned int round_pipe_size(unsigned long size) { unsigned long nr_pages; + if (size > UINT_MAX) + return 0; + /* Minimum pipe size, as required by POSIX */ if (size < PAGE_SIZE) size = PAGE_SIZE; |