staging/fwserial: Use WARN_ONCE when port table is corrupted

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 3 insertions, 8 deletions

diff --git a/drivers/staging/fwserial/fwserial.c b/drivers/staging/fwserial/fwserial.c
index 99a2d2dbd322..0681967337f9 100644
--- a/drivers/staging/fwserial/fwserial.c
+++ b/drivers/staging/fwserial/fwserial.c
@@ -939,14 +939,9 @@ static void fwserial_destroy(struct kref *kref)
 
         mutex_lock(&port_table_lock);
         for (j = 0; j < num_ports; ++i, ++j) {
-                static bool once;
-                int corrupt = port_table[i] != ports[j];
-                if (corrupt && !once) {
-                        WARN(corrupt, "port_table[%d]: %p != ports[%d]: %p",
-                             i, port_table[i], j, ports[j]);
-                        once = true;
-                        port_table_corrupt = true;
-                }
+                port_table_corrupt |= port_table[i] != ports[j];
+                WARN_ONCE(port_table_corrupt, "port_table[%d]: %p != ports[%d]: %p",
+                     i, port_table[i], j, ports[j]);
 
                 port_table[i] = NULL;
         }