sd_sync_cache() is called for purposes of power management.
Under those circumstances a medium removal is no error.
The data is lost under any circumstances, so the system may as
well sleep.
Signed-off-by: Oliver Neukum <oneukum@xxxxxxx>
---
drivers/scsi/sd.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index a344220..c39a97e 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1278,8 +1278,16 @@ static int sd_sync_cache(struct scsi_disk *sdkp)
if (res) {
sd_print_result(sdkp, res);
+
if (driver_byte(res) & DRIVER_SENSE)
sd_print_sense_hdr(sdkp, &sshdr);
+ /*
+ * we need to evaluate the error return
+ * 0x3a is medium not present
+ * this is no error here
+ */
+ if ((scsi_sense_valid(&sshdr) && sshdr.asc == 0x3a))
+ return 0;
}
if (res)
--
1.7.7
--
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