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-rw-r--r--fs/ext4/mballoc.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index a888cac76e9c..73ccbb3b973b 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -989,7 +989,7 @@ static int ext4_mb_get_buddy_page_lock(struct super_block *sb,
989 poff = block % blocks_per_page; 989 poff = block % blocks_per_page;
990 page = find_or_create_page(inode->i_mapping, pnum, GFP_NOFS); 990 page = find_or_create_page(inode->i_mapping, pnum, GFP_NOFS);
991 if (!page) 991 if (!page)
992 return -EIO; 992 return -ENOMEM;
993 BUG_ON(page->mapping != inode->i_mapping); 993 BUG_ON(page->mapping != inode->i_mapping);
994 e4b->bd_bitmap_page = page; 994 e4b->bd_bitmap_page = page;
995 e4b->bd_bitmap = page_address(page) + (poff * sb->s_blocksize); 995 e4b->bd_bitmap = page_address(page) + (poff * sb->s_blocksize);
@@ -1003,7 +1003,7 @@ static int ext4_mb_get_buddy_page_lock(struct super_block *sb,
1003 pnum = block / blocks_per_page; 1003 pnum = block / blocks_per_page;
1004 page = find_or_create_page(inode->i_mapping, pnum, GFP_NOFS); 1004 page = find_or_create_page(inode->i_mapping, pnum, GFP_NOFS);
1005 if (!page) 1005 if (!page)
1006 return -EIO; 1006 return -ENOMEM;
1007 BUG_ON(page->mapping != inode->i_mapping); 1007 BUG_ON(page->mapping != inode->i_mapping);
1008 e4b->bd_buddy_page = page; 1008 e4b->bd_buddy_page = page;
1009 return 0; 1009 return 0;
@@ -1168,7 +1168,11 @@ ext4_mb_load_buddy(struct super_block *sb, ext4_group_t group,
1168 unlock_page(page); 1168 unlock_page(page);
1169 } 1169 }
1170 } 1170 }
1171 if (page == NULL || !PageUptodate(page)) { 1171 if (page == NULL) {
1172 ret = -ENOMEM;
1173 goto err;
1174 }
1175 if (!PageUptodate(page)) {
1172 ret = -EIO; 1176 ret = -EIO;
1173 goto err; 1177 goto err;
1174 } 1178 }
@@ -1197,7 +1201,11 @@ ext4_mb_load_buddy(struct super_block *sb, ext4_group_t group,
1197 unlock_page(page); 1201 unlock_page(page);
1198 } 1202 }
1199 } 1203 }
1200 if (page == NULL || !PageUptodate(page)) { 1204 if (page == NULL) {
1205 ret = -ENOMEM;
1206 goto err;
1207 }
1208 if (!PageUptodate(page)) {
1201 ret = -EIO; 1209 ret = -EIO;
1202 goto err; 1210 goto err;
1203 } 1211 }