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UDF: check for allocated memory for data of new inodes

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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>
This commit is contained in:
Cyrill Gorcunov 2007-07-15 23:39:43 -07:00 committed by Linus Torvalds
parent d62141414a
commit c9c64155f5
1 changed files with 8 additions and 1 deletions
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7
fs/udf/ialloc.c
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@ -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))