From c9c64155f5a81b4b41e98f9fb9c464a565c1bf72 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Sun, 15 Jul 2007 23:39:43 -0700 Subject: [PATCH] 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 Cc: Jan Kara Cc: Christoph Hellwig Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/udf/ialloc.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) 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)) -- 2.20.1