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jfs: jump to error_out when filemap_{fdatawait, write_and_wait} fails
authorQuorum Laval <quorum.laval@gmail.com>
Fri, 26 Aug 2016 14:40:40 +0000 (15:40 +0100)
committerDave Kleikamp <dave.kleikamp@oracle.com>
Mon, 29 Aug 2016 20:51:39 +0000 (15:51 -0500)
filemap_fdatawait/filemap_write_and_wait may fail, so check the return
value and jump to error_out in the case of error.

Signed-off-by: Quorum Laval <quorum.laval@gmail.com>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
fs/jfs/resize.c

index 90b3bc2..bd9b641 100644 (file)
@@ -379,8 +379,14 @@ int jfs_extendfs(struct super_block *sb, s64 newLVSize, int newLogSize)
         * cached in meta-data cache, and not written out
         * by txCommit();
         */
-       filemap_fdatawait(ipbmap->i_mapping);
-       filemap_write_and_wait(ipbmap->i_mapping);
+       rc = filemap_fdatawait(ipbmap->i_mapping);
+       if (rc)
+               goto error_out;
+
+       rc = filemap_write_and_wait(ipbmap->i_mapping);
+       if (rc)
+               goto error_out;
+
        diWriteSpecial(ipbmap, 0);
 
        newPage = nPages;       /* first new page number */