Messages in this thread Patch in this message | | | Date | Fri, 11 May 2007 22:32:47 +0400 | From | Cyrill Gorcunov <> | Subject | [PATCH] UDF: check for allocated memory for data of new inodes |
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This patch adds checking for granted memory for inode data at the moment of it's creation.
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
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Christoph, I remember your notice about UDF_I_* macroses... and I'm working on it now ;)
fs/udf/ialloc.c | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c index 8206983..efb46a4 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 +136,12 @@ 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; + 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)) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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