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f2fs: handle errors from get_node_page calls
Add check for error pointers returned from get_node_page in order to avoid dereferencing a bad address on the next use. Signed-off-by: Jason Hrycay <jason.hrycay@motorola.com> Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
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1 changed files with 4 additions and 0 deletions
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@ -218,6 +218,8 @@ int f2fs_getxattr(struct inode *inode, int name_index, const char *name,
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return -ENODATA;
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page = get_node_page(sbi, fi->i_xattr_nid);
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if (IS_ERR(page))
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return PTR_ERR(page);
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base_addr = page_address(page);
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list_for_each_xattr(entry, base_addr) {
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@ -268,6 +270,8 @@ ssize_t f2fs_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size)
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return 0;
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page = get_node_page(sbi, fi->i_xattr_nid);
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if (IS_ERR(page))
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return PTR_ERR(page);
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base_addr = page_address(page);
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list_for_each_xattr(entry, base_addr) {
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