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authorCyrill Gorcunov <gorcunov@gmail.com>2007-07-15 23:39:43 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-16 09:05:41 -0700
commitc9c64155f5a81b4b41e98f9fb9c464a565c1bf72 (patch)
tree23a163b5a1b8e0ed441db5cf722116d9caa0c956 /fs/udf/ialloc.c
parentd62141414a55ff3f1410b27db2a95224446e77a4 (diff)
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UDF: check for allocated memory for data of new inodes
Add checking for granted memory for inode data at the moment of its creation. Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Cc: Jan Kara <jack@ucw.cz> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/udf/ialloc.c')
-rw-r--r--fs/udf/ialloc.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c
index 8206983f2eb..10f3188738a 100644
--- a/fs/udf/ialloc.c
+++ b/fs/udf/ialloc.c
@@ -50,7 +50,7 @@ void udf_free_inode(struct inode * inode)
else
UDF_SB_LVIDIU(sb)->numFiles =
cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) - 1);
-
+
mark_buffer_dirty(sbi->s_lvidbh);
}
mutex_unlock(&sbi->s_alloc_mutex);
@@ -136,6 +136,13 @@ struct inode * udf_new_inode (struct inode *dir, int mode, int * err)
UDF_I_EFE(inode) = 0;
UDF_I_DATA(inode) = kzalloc(inode->i_sb->s_blocksize - sizeof(struct fileEntry), GFP_KERNEL);
}
+ if (!UDF_I_DATA(inode))
+ {
+ iput(inode);
+ *err = -ENOMEM;
+ mutex_unlock(&sbi->s_alloc_mutex);
+ return NULL;
+ }
if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_AD_IN_ICB))
UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB;
else if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD))