Spelling fixes: lenght->length

Signed-off-by: Paulius Zaleckas <pauliusz@yahoo.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
diff --git a/include/linux/cycx_x25.h b/include/linux/cycx_x25.h
index f7a9065..362bf19 100644
--- a/include/linux/cycx_x25.h
+++ b/include/linux/cycx_x25.h
@@ -81,7 +81,7 @@
  *	@n2win - level 2 window (values: 1 thru 7)
  *	@n3win - level 3 window (values: 1 thru 7)
  *	@nvc - # of logical channels (values: 1 thru 64)
- *	@pktlen - level 3 packet lenght - log base 2 of size
+ *	@pktlen - level 3 packet length - log base 2 of size
  *	@locaddr - my address
  *	@remaddr - remote address
  *	@t1 - time, in seconds
diff --git a/include/linux/hdreg.h b/include/linux/hdreg.h
index 3882013..e38e759 100644
--- a/include/linux/hdreg.h
+++ b/include/linux/hdreg.h
@@ -364,7 +364,7 @@
 #define SETFEATURES_EN_RLA	0xAA	/* Enable read look-ahead feature */
 #define SETFEATURES_PREFETCH	0xAB	/* Sets drive prefetch value */
 #define SETFEATURES_EN_REST	0xAC	/* ATA-1 */
-#define SETFEATURES_4B_RW_LONG	0xBB	/* Set Lenght of 4 bytes */
+#define SETFEATURES_4B_RW_LONG	0xBB	/* Set Length of 4 bytes */
 #define SETFEATURES_DIS_AAM	0xC2	/* Disable Automatic Acoustic Management */
 #define SETFEATURES_EN_RPOD	0xCC	/* Enable reverting to power on defaults */
 #define SETFEATURES_DIS_RI	0xDD	/* Disable release interrupt ATAPI */
diff --git a/include/linux/reiserfs_fs_sb.h b/include/linux/reiserfs_fs_sb.h
index 10fa0c8..db5ef9b 100644
--- a/include/linux/reiserfs_fs_sb.h
+++ b/include/linux/reiserfs_fs_sb.h
@@ -185,7 +185,7 @@
 	unsigned long j_trans_id;
 	unsigned long j_mount_id;
 	unsigned long j_start;	/* start of current waiting commit (index into j_ap_blocks) */
-	unsigned long j_len;	/* lenght of current waiting commit */
+	unsigned long j_len;	/* length of current waiting commit */
 	unsigned long j_len_alloc;	/* number of buffers requested by journal_begin() */
 	atomic_t j_wcount;	/* count of writers for current commit */
 	unsigned long j_bcount;	/* batch count. allows turning X transactions into 1 */
diff --git a/include/linux/wireless.h b/include/linux/wireless.h
index 74e84ca..3160dfed 100644
--- a/include/linux/wireless.h
+++ b/include/linux/wireless.h
@@ -1079,7 +1079,7 @@
  */
 struct iw_event
 {
-	__u16		len;			/* Real lenght of this stuff */
+	__u16		len;			/* Real length of this stuff */
 	__u16		cmd;			/* Wireless IOCTL */
 	union iwreq_data	u;		/* IOCTL fixed payload */
 };