diag: Add protection while processing non-hdlc packets
Currently, there is possibility of out-of-bound accesses during
handling of data in non-hdlc path. The patch adds proper protection
when processing non-hdlc packet information to fix the issue.
CRs-Fixed: 2029216
Change-Id: I07c466f85bd8ac08226948fea86b1d8567e68431
Signed-off-by: Hardik Arya <harya@codeaurora.org>
diff --git a/drivers/char/diag/diagchar.h b/drivers/char/diag/diagchar.h
index 26e91f9..8051d5d 100644
--- a/drivers/char/diag/diagchar.h
+++ b/drivers/char/diag/diagchar.h
@@ -580,6 +580,7 @@
unsigned char *buf_feature_mask_update;
uint8_t hdlc_disabled;
struct mutex hdlc_disable_mutex;
+ struct mutex hdlc_recovery_mutex;
struct timer_list hdlc_reset_timer;
struct mutex diag_hdlc_mutex;
unsigned char *hdlc_buf;