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-rw-r--r--include/linux/pipe_fs_i.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index 3cc4f8eab853..1f013ed7577e 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -192,7 +192,7 @@ static inline bool pipe_empty(unsigned int head, unsigned int tail)
*/
static inline unsigned int pipe_occupancy(unsigned int head, unsigned int tail)
{
- return head - tail;
+ return (pipe_index_t)(head - tail);
}
/**