The patch titled
UDF: check for allocated memory for data of new inodes
has been added to the -mm tree. Its filename is
udf-check-for-allocated-memory-for-data-of-new-inodes.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: UDF: check for allocated memory for data of new inodes
From: Cyrill Gorcunov <gorcunov@xxxxxxxxx>
Add checking for granted memory for inode data at the moment of its
creation.
Signed-off-by: Cyrill Gorcunov <gorcunov@xxxxxxxxx>
Cc: Jan Kara <jack@xxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/udf/ialloc.c | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletion(-)
diff -puN fs/udf/ialloc.c~udf-check-for-allocated-memory-for-data-of-new-inodes fs/udf/ialloc.c
--- a/fs/udf/ialloc.c~udf-check-for-allocated-memory-for-data-of-new-inodes
+++ a/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 +136,12 @@ struct inode * udf_new_inode (struct ino
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;
+ 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))
_
Patches currently in -mm which might be from gorcunov@xxxxxxxxx are
origin.patch
udf-check-for-allocated-memory-for-data-of-new-inodes.patch
-
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