diff options
Diffstat (limited to 'libbcachefs/fifo.h')
| -rw-r--r-- | libbcachefs/fifo.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libbcachefs/fifo.h b/libbcachefs/fifo.h index 085d828e..9715ddbd 100644 --- a/libbcachefs/fifo.h +++ b/libbcachefs/fifo.h @@ -12,7 +12,9 @@ struct { \ #define DECLARE_FIFO(type, name) FIFO(type) name #define fifo_buf_size(fifo) \ - (roundup_pow_of_two((fifo)->size) * sizeof((fifo)->data[0])) + ((fifo)->size \ + ? roundup_pow_of_two((fifo)->size) * sizeof((fifo)->data[0]) \ + : 0) #define init_fifo(fifo, _size, _gfp) \ ({ \ |