V4L/DVB (7958): fix unaligned access in av7110.c

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/media/dvb/ttpci/av7110.c b/drivers/media/dvb/ttpci/av7110.c
index 747e7f1a6267..f05d43d8b5cf 100644
--- a/drivers/media/dvb/ttpci/av7110.c
+++ b/drivers/media/dvb/ttpci/av7110.c
@@ -51,6 +51,7 @@
 #include <linux/crc32.h>
 #include <linux/i2c.h>
 #include <linux/kthread.h>
+#include <asm/unaligned.h>
 
 #include <asm/system.h>
 
@@ -1461,9 +1462,9 @@ static int check_firmware(struct av7110* av7110)
         ptr += 4;
 
         /* check dpram file */
-        crc = ntohl(*(u32*) ptr);
+        crc = get_unaligned_be32(ptr);
         ptr += 4;
-        len = ntohl(*(u32*) ptr);
+        len = get_unaligned_be32(ptr);
         ptr += 4;
         if (len >= 512) {
                 printk("dvb-ttpci: dpram file is way too big.\n");
@@ -1478,9 +1479,9 @@ static int check_firmware(struct av7110* av7110)
         ptr += len;
 
         /* check root file */
-        crc = ntohl(*(u32*) ptr);
+        crc = get_unaligned_be32(ptr);
         ptr += 4;
-        len = ntohl(*(u32*) ptr);
+        len = get_unaligned_be32(ptr);
         ptr += 4;
 
         if (len <= 200000 || len >= 300000 ||