diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c
index 849fd4476950af0cbe1086ab3bafdb860bc2c39e..0b156cc881083faf950d48a13b4fab6c41629698 100644
--- a/fs/xfs/xfs_error.c
+++ b/fs/xfs/xfs_error.c
@@ -329,7 +329,7 @@ xfs_corruption_error(
 	const char		*tag,
 	int			level,
 	struct xfs_mount	*mp,
-	void			*buf,
+	const void		*buf,
 	size_t			bufsize,
 	const char		*filename,
 	int			linenum,
@@ -350,7 +350,7 @@ xfs_buf_verifier_error(
 	struct xfs_buf		*bp,
 	int			error,
 	const char		*name,
-	void			*buf,
+	const void		*buf,
 	size_t			bufsz,
 	xfs_failaddr_t		failaddr)
 {
@@ -402,7 +402,7 @@ xfs_inode_verifier_error(
 	struct xfs_inode	*ip,
 	int			error,
 	const char		*name,
-	void			*buf,
+	const void		*buf,
 	size_t			bufsz,
 	xfs_failaddr_t		failaddr)
 {
diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h
index 602aa7d62b66e09a8133a385805571fe20cf68a5..e6a22cfb542fb3d0ede498f69d5da03bec664537 100644
--- a/fs/xfs/xfs_error.h
+++ b/fs/xfs/xfs_error.h
@@ -12,16 +12,16 @@ extern void xfs_error_report(const char *tag, int level, struct xfs_mount *mp,
 			const char *filename, int linenum,
 			xfs_failaddr_t failaddr);
 extern void xfs_corruption_error(const char *tag, int level,
-			struct xfs_mount *mp, void *buf, size_t bufsize,
+			struct xfs_mount *mp, const void *buf, size_t bufsize,
 			const char *filename, int linenum,
 			xfs_failaddr_t failaddr);
 extern void xfs_buf_verifier_error(struct xfs_buf *bp, int error,
-			const char *name, void *buf, size_t bufsz,
+			const char *name, const void *buf, size_t bufsz,
 			xfs_failaddr_t failaddr);
 extern void xfs_verifier_error(struct xfs_buf *bp, int error,
 			xfs_failaddr_t failaddr);
 extern void xfs_inode_verifier_error(struct xfs_inode *ip, int error,
-			const char *name, void *buf, size_t bufsz,
+			const char *name, const void *buf, size_t bufsz,
 			xfs_failaddr_t failaddr);
 
 #define	XFS_ERROR_REPORT(e, lvl, mp)	\
diff --git a/fs/xfs/xfs_message.c b/fs/xfs/xfs_message.c
index 9804efe525a9314e4b78a52e7c41c1f88296ffd2..c57e8ad397125cc53737ea65665e4d1e19b11937 100644
--- a/fs/xfs/xfs_message.c
+++ b/fs/xfs/xfs_message.c
@@ -105,7 +105,7 @@ assfail(char *expr, char *file, int line)
 }
 
 void
-xfs_hex_dump(void *p, int length)
+xfs_hex_dump(const void *p, int length)
 {
 	print_hex_dump(KERN_ALERT, "", DUMP_PREFIX_OFFSET, 16, 1, p, length, 1);
 }
diff --git a/fs/xfs/xfs_message.h b/fs/xfs/xfs_message.h
index 34447dca97d136bb36016bfadc5e7312e4b6e5db..7f040b04b7393baea3b070ca0b4353b5b2acab2e 100644
--- a/fs/xfs/xfs_message.h
+++ b/fs/xfs/xfs_message.h
@@ -60,6 +60,6 @@ do {									\
 extern void assfail(char *expr, char *f, int l);
 extern void asswarn(char *expr, char *f, int l);
 
-extern void xfs_hex_dump(void *p, int length);
+extern void xfs_hex_dump(const void *p, int length);
 
 #endif	/* __XFS_MESSAGE_H */