[PATCH] usb: gadget: f_mass_storage: common->curlun could be NULL

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



This patch adds a NULL check for common->curlun in case of an unknown_cmnd
in do_scsi_command(). 

Signed-off-by: Christoph Fritz <chf.fritz@xxxxxxxxxxxxxx>
---
 drivers/usb/gadget/f_mass_storage.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index c39d588..0e42027 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -2184,7 +2184,8 @@ unknown_cmnd:
 		reply = check_command(common, common->cmnd_size,
 				      DATA_DIR_UNKNOWN, 0xff, 0, unknown);
 		if (reply == 0) {
-			common->curlun->sense_data = SS_INVALID_COMMAND;
+			if (common->curlun)
+				common->curlun->sense_data = SS_INVALID_COMMAND;
 			reply = -EINVAL;
 		}
 		break;
-- 
1.7.2.5


--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux