Revert commit 3627924acf70a9a for details see
http://lkml.indiana.edu/hypermail/linux/kernel/1108.1/02863.html

diff --git a/drivers/mtd/ubi/ubi-media.h b/drivers/mtd/ubi/ubi-media.h
index 6fb8ec2..503ea9b 100644
--- a/drivers/mtd/ubi/ubi-media.h
+++ b/drivers/mtd/ubi/ubi-media.h
@@ -164,7 +164,7 @@ struct ubi_ec_hdr {
 	__be32  image_seq;
 	__u8    padding2[32];
 	__be32  hdr_crc;
-} __packed;
+} __attribute__ ((packed));
 
 /**
  * struct ubi_vid_hdr - on-flash UBI volume identifier header.
@@ -292,7 +292,7 @@ struct ubi_vid_hdr {
 	__be64  sqnum;
 	__u8    padding3[12];
 	__be32  hdr_crc;
-} __packed;
+} __attribute__ ((packed));
 
 /* Internal UBI volumes count */
 #define UBI_INT_VOL_COUNT 1
@@ -373,6 +373,6 @@ struct ubi_vtbl_record {
 	__u8    flags;
 	__u8    padding[23];
 	__be32  crc;
-} __packed;
+} __attribute__ ((packed));
 
 #endif /* !__UBI_MEDIA_H__ */
diff --git a/include/mtd/ubi-user.h b/include/mtd/ubi-user.h
index a390342..e70bd34 100644
--- a/include/mtd/ubi-user.h
+++ b/include/mtd/ubi-user.h
@@ -310,7 +310,7 @@ struct ubi_mkvol_req {
 	__s16 name_len;
 	__s8 padding2[4];
 	char name[UBI_MAX_VOLUME_NAME + 1];
-} __packed;
+} __attribute__ ((packed));
 
 /**
  * struct ubi_rsvol_req - a data structure used in volume re-size requests.
@@ -326,7 +326,7 @@ struct ubi_mkvol_req {
 struct ubi_rsvol_req {
 	__s64 bytes;
 	__s32 vol_id;
-} __packed;
+} __attribute__ ((packed));
 
 /**
  * struct ubi_rnvol_req - volumes re-name request.
@@ -368,7 +368,7 @@ struct ubi_rnvol_req {
 		__s8  padding2[2];
 		char    name[UBI_MAX_VOLUME_NAME + 1];
 	} ents[UBI_MAX_RNVOL];
-} __packed;
+} __attribute__ ((packed));
 
 /**
  * struct ubi_leb_change_req - a data structure used in atomic LEB change
@@ -383,7 +383,7 @@ struct ubi_leb_change_req {
 	__s32 bytes;
 	__s8  dtype;
 	__s8  padding[7];
-} __packed;
+} __attribute__ ((packed));
 
 /**
  * struct ubi_map_req - a data structure used in map LEB requests.
@@ -395,7 +395,7 @@ struct ubi_map_req {
 	__s32 lnum;
 	__s8  dtype;
 	__s8  padding[3];
-} __packed;
+} __attribute__ ((packed));
 
 
 /**
@@ -409,6 +409,6 @@ struct ubi_set_vol_prop_req {
 	__u8  property;
 	__u8  padding[7];
 	__u64 value;
-}  __packed;
+}  __attribute__ ((packed));
 
 #endif /* __UBI_USER_H__ */