mtd: introduce mtd_point interface

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c
index 540e8ec..53f8794 100644
--- a/fs/jffs2/erase.c
+++ b/fs/jffs2/erase.c
@@ -340,8 +340,8 @@
 	if (c->mtd->point) {
 		unsigned long *wordebuf;
 
-		ret = c->mtd->point(c->mtd, jeb->offset, c->sector_size,
-				    &retlen, &ebuf, NULL);
+		ret = mtd_point(c->mtd, jeb->offset, c->sector_size, &retlen,
+				&ebuf, NULL);
 		if (ret) {
 			D1(printk(KERN_DEBUG "MTD point failed %d\n", ret));
 			goto do_flash_read;
diff --git a/fs/jffs2/readinode.c b/fs/jffs2/readinode.c
index ee57bac..dde61ef 100644
--- a/fs/jffs2/readinode.c
+++ b/fs/jffs2/readinode.c
@@ -63,8 +63,8 @@
 	/* TODO: instead, incapsulate point() stuff to jffs2_flash_read(),
 	 * adding and jffs2_flash_read_end() interface. */
 	if (c->mtd->point) {
-		err = c->mtd->point(c->mtd, ofs, len, &retlen,
-				    (void **)&buffer, NULL);
+		err = mtd_point(c->mtd, ofs, len, &retlen, (void **)&buffer,
+				NULL);
 		if (!err && retlen < len) {
 			JFFS2_WARNING("MTD point returned len too short: %zu instead of %u.\n", retlen, tn->csize);
 			c->mtd->unpoint(c->mtd, ofs, retlen);
diff --git a/fs/jffs2/scan.c b/fs/jffs2/scan.c
index 28107ca..53e05c8 100644
--- a/fs/jffs2/scan.c
+++ b/fs/jffs2/scan.c
@@ -97,8 +97,8 @@
 	size_t pointlen, try_size;
 
 	if (c->mtd->point) {
-		ret = c->mtd->point(c->mtd, 0, c->mtd->size, &pointlen,
-				    (void **)&flashbuf, NULL);
+		ret = mtd_point(c->mtd, 0, c->mtd->size, &pointlen,
+				(void **)&flashbuf, NULL);
 		if (!ret && pointlen < c->mtd->size) {
 			/* Don't muck about if it won't let us point to the whole flash */
 			D1(printk(KERN_DEBUG "MTD point returned len too short: 0x%zx\n", pointlen));