From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Fritz Date: Tue, 29 Nov 2011 21:00:16 +0000 Subject: [PATCH] usb: gadget: f_mass_storage: common->curlun could be NULL Message-Id: <1322600416.2182.48.camel@mars> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: kernel-janitors@vger.kernel.org This patch adds a NULL check for common->curlun in case of an unknown_cmnd in do_scsi_command(). Signed-off-by: Christoph Fritz --- 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