1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c
index bcced0a417e6..66e4a47bb9ee 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm.c
+++ b/drivers/scsi/aic7xxx/aic79xx_osm.c
@@ -782,6 +782,7 @@ ahd_linux_bus_reset(struct scsi_cmnd *cmd)
 {
         struct ahd_softc *ahd;
         int    found;
+        unsigned long flags;
 
         ahd = *(struct ahd_softc **)cmd->device->host->hostdata;
 #ifdef AHD_DEBUG
@@ -789,8 +790,11 @@ ahd_linux_bus_reset(struct scsi_cmnd *cmd)
                 printf("%s: Bus reset called for cmd %p\n",
                        ahd_name(ahd), cmd);
 #endif
+        ahd_lock(ahd, &flags);
+
         found = ahd_reset_channel(ahd, scmd_channel(cmd) + 'A',
                                   /*initiate reset*/TRUE);
+        ahd_unlock(ahd, &flags);
 
         if (bootverbose)
                 printf("%s: SCSI bus reset delivered. "