linux-kernel - [PATCH 4/9] drivers:misc: ti-st: fix skipping of change remote baud

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Message-Id: <1309276926-1327-4-git-send-email-gregkh@suse.de>
Date:	Tue, 28 Jun 2011 09:02:01 -0700
From:	Greg Kroah-Hartman <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org
Cc:	Shahar Lev <shahar@...ery.com>, Greg Kroah-Hartman <gregkh@...e.de>
Subject: [PATCH 4/9] drivers:misc: ti-st: fix skipping of change remote baud

From: Shahar Lev <shahar@...ery.com>

Before the incrementing of ptr in skip_change_remote_baud,
it points to cur_action, but the increment is done by
the size of nxt_action instead. This could cause ptr
to not point to a bts_action structure, which is
harmful for the increment of ptr done in download_firmware.
Therefore, the skipping is first done for cur_action.

Signed-off-by: Shahar Lev <shahar@...ery.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
 drivers/misc/ti-st/st_kim.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/misc/ti-st/st_kim.c b/drivers/misc/ti-st/st_kim.c
index 3613c3b..38fd2f0 100644
--- a/drivers/misc/ti-st/st_kim.c
+++ b/drivers/misc/ti-st/st_kim.c
@@ -245,9 +245,9 @@ void skip_change_remote_baud(unsigned char **ptr, long *len)
 		pr_err("invalid action after change remote baud command");
 	} else {
 		*ptr = *ptr + sizeof(struct bts_action) +
-			((struct bts_action *)nxt_action)->size;
+			((struct bts_action *)cur_action)->size;
 		*len = *len - (sizeof(struct bts_action) +
-				((struct bts_action *)nxt_action)->size);
+				((struct bts_action *)cur_action)->size);
 		/* warn user on not commenting these in firmware */
 		pr_warn("skipping the wait event of change remote baud");
 	}
-- 
1.7.5.4

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