From: Cyrill Gorcunov 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 --- 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)) _