Merge tag 'lkdtm-4.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux into char-misc-linus

Kees briefly writes:

fixes some possible memory allocation leaks on error paths

3 files changed, 20 insertions, 20 deletions

diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 1831f6353622..a5502898ea33 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -269,7 +269,7 @@ static void _ceph_msgr_exit(void)
 	}
 
 	BUG_ON(zero_page == NULL);
-	page_cache_release(zero_page);
+	put_page(zero_page);
 	zero_page = NULL;
 
 	ceph_msgr_slab_exit();
@@ -282,7 +282,7 @@ int ceph_msgr_init(void)
 
 	BUG_ON(zero_page != NULL);
 	zero_page = ZERO_PAGE(0);
-	page_cache_get(zero_page);
+	get_page(zero_page);
 
 	/*
 	 * The number of active work items is limited by the number of
@@ -1602,7 +1602,7 @@ static int write_partial_skip(struct ceph_connection *con)
 
 	dout("%s %p %d left\n", __func__, con, con->out_skip);
 	while (con->out_skip > 0) {
-		size_t size = min(con->out_skip, (int) PAGE_CACHE_SIZE);
+		size_t size = min(con->out_skip, (int) PAGE_SIZE);
 
 		ret = ceph_tcp_sendpage(con->sock, zero_page, 0, size, true);
 		if (ret <= 0)
diff --git a/net/ceph/pagelist.c b/net/ceph/pagelist.c
index c7c220a736e5..6864007e64fc 100644
--- a/net/ceph/pagelist.c
+++ b/net/ceph/pagelist.c
@@ -56,7 +56,7 @@ int ceph_pagelist_append(struct ceph_pagelist *pl, const void *buf, size_t len)
 		size_t bit = pl->room;
 		int ret;
 
-		memcpy(pl->mapped_tail + (pl->length & ~PAGE_CACHE_MASK),
+		memcpy(pl->mapped_tail + (pl->length & ~PAGE_MASK),
 		       buf, bit);
 		pl->length += bit;
 		pl->room -= bit;
@@ -67,7 +67,7 @@ int ceph_pagelist_append(struct ceph_pagelist *pl, const void *buf, size_t len)
 			return ret;
 	}
 
-	memcpy(pl->mapped_tail + (pl->length & ~PAGE_CACHE_MASK), buf, len);
+	memcpy(pl->mapped_tail + (pl->length & ~PAGE_MASK), buf, len);
 	pl->length += len;
 	pl->room -= len;
 	return 0;
diff --git a/net/ceph/pagevec.c b/net/ceph/pagevec.c
index 10297f7a89ba..00d2601407c5 100644
--- a/net/ceph/pagevec.c
+++ b/net/ceph/pagevec.c
@@ -95,19 +95,19 @@ int ceph_copy_user_to_page_vector(struct page **pages,
 					 loff_t off, size_t len)
 {
 	int i = 0;
-	int po = off & ~PAGE_CACHE_MASK;
+	int po = off & ~PAGE_MASK;
 	int left = len;
 	int l, bad;
 
 	while (left > 0) {
-		l = min_t(int, PAGE_CACHE_SIZE-po, left);
+		l = min_t(int, PAGE_SIZE-po, left);
 		bad = copy_from_user(page_address(pages[i]) + po, data, l);
 		if (bad == l)
 			return -EFAULT;
 		data += l - bad;
 		left -= l - bad;
 		po += l - bad;
-		if (po == PAGE_CACHE_SIZE) {
+		if (po == PAGE_SIZE) {
 			po = 0;
 			i++;
 		}
@@ -121,17 +121,17 @@ void ceph_copy_to_page_vector(struct page **pages,
 				    loff_t off, size_t len)
 {
 	int i = 0;
-	size_t po = off & ~PAGE_CACHE_MASK;
+	size_t po = off & ~PAGE_MASK;
 	size_t left = len;
 
 	while (left > 0) {
-		size_t l = min_t(size_t, PAGE_CACHE_SIZE-po, left);
+		size_t l = min_t(size_t, PAGE_SIZE-po, left);
 
 		memcpy(page_address(pages[i]) + po, data, l);
 		data += l;
 		left -= l;
 		po += l;
-		if (po == PAGE_CACHE_SIZE) {
+		if (po == PAGE_SIZE) {
 			po = 0;
 			i++;
 		}
@@ -144,17 +144,17 @@ void ceph_copy_from_page_vector(struct page **pages,
 				    loff_t off, size_t len)
 {
 	int i = 0;
-	size_t po = off & ~PAGE_CACHE_MASK;
+	size_t po = off & ~PAGE_MASK;
 	size_t left = len;
 
 	while (left > 0) {
-		size_t l = min_t(size_t, PAGE_CACHE_SIZE-po, left);
+		size_t l = min_t(size_t, PAGE_SIZE-po, left);
 
 		memcpy(data, page_address(pages[i]) + po, l);
 		data += l;
 		left -= l;
 		po += l;
-		if (po == PAGE_CACHE_SIZE) {
+		if (po == PAGE_SIZE) {
 			po = 0;
 			i++;
 		}
@@ -168,25 +168,25 @@ EXPORT_SYMBOL(ceph_copy_from_page_vector);
  */
 void ceph_zero_page_vector_range(int off, int len, struct page **pages)
 {
-	int i = off >> PAGE_CACHE_SHIFT;
+	int i = off >> PAGE_SHIFT;
 
-	off &= ~PAGE_CACHE_MASK;
+	off &= ~PAGE_MASK;
 
 	dout("zero_page_vector_page %u~%u\n", off, len);
 
 	/* leading partial page? */
 	if (off) {
-		int end = min((int)PAGE_CACHE_SIZE, off + len);
+		int end = min((int)PAGE_SIZE, off + len);
 		dout("zeroing %d %p head from %d\n", i, pages[i],
 		     (int)off);
 		zero_user_segment(pages[i], off, end);
 		len -= (end - off);
 		i++;
 	}
-	while (len >= PAGE_CACHE_SIZE) {
+	while (len >= PAGE_SIZE) {
 		dout("zeroing %d %p len=%d\n", i, pages[i], len);
-		zero_user_segment(pages[i], 0, PAGE_CACHE_SIZE);
-		len -= PAGE_CACHE_SIZE;
+		zero_user_segment(pages[i], 0, PAGE_SIZE);
+		len -= PAGE_SIZE;
 		i++;
 	}
 	/* trailing partial page? */