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-rw-r--r--ANDROID_3.4.5/drivers/scsi/scsi_lib.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/ANDROID_3.4.5/drivers/scsi/scsi_lib.c b/ANDROID_3.4.5/drivers/scsi/scsi_lib.c
index 4037fd5b..7ca46131 100644
--- a/ANDROID_3.4.5/drivers/scsi/scsi_lib.c
+++ b/ANDROID_3.4.5/drivers/scsi/scsi_lib.c
@@ -1165,7 +1165,10 @@ EXPORT_SYMBOL(scsi_setup_fs_cmnd);
int scsi_prep_state_check(struct scsi_device *sdev, struct request *req)
{
int ret = BLKPREP_OK;
-
+ if(sdev==NULL){
+ ret = BLKPREP_KILL;
+ return ret;
+ }
/*
* If the device is not in running state we will reject some
* or all commands.