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| author | Cyrill Gorcunov <gorcunov@gmail.com> | 2007-07-15 23:39:43 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-16 09:05:41 -0700 |
| commit | c9c64155f5a81b4b41e98f9fb9c464a565c1bf72 (patch) | |
| tree | 23a163b5a1b8e0ed441db5cf722116d9caa0c956 /fs/udf/ialloc.c | |
| parent | d62141414a55ff3f1410b27db2a95224446e77a4 (diff) | |
| download | linux-c9c64155f5a81b4b41e98f9fb9c464a565c1bf72.tar.gz | |
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.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c index 8206983f2ebf..10f3188738af 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)) |