tapaio build fix

With some combinations of compiler flags (no optimization, -Werror),
the compiler may complain that the function doesn't have a return
statement (even if the function actually just never returns), reported
as bug 1128. This adds a dummy return statement.

Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/tools/blktap/drivers/tapaio.c b/tools/blktap/drivers/tapaio.c
index 9eb4713802..140c44a7d1 100644
--- a/tools/blktap/drivers/tapaio.c
+++ b/tools/blktap/drivers/tapaio.c
@@ -82,6 +82,7 @@ tap_aio_completion_thread(void *arg)
 			}
 		} while (!rc);
 	}
+	return NULL;
 }
 
 void