This patch adds checking for granted memory for inode data
at the moment of it's creation.
Signed-off-by: Cyrill Gorcunov <[email protected]>
---
Andrew, it seems my previous patch didn't release mutex so there I've it fixed.
Please replace the patch named 'udf-check-for-allocated-memory-for-data-of-new-inodes.patch'
with this one.
ialloc.c | 9 ++++++++-
1 files changed, 8 insertions(+), 1 deletions(-)
diff --git a/ialloc.c b/ialloc.c
index 8206983..10f3188 100644
--- a/ialloc.c
+++ b/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))
-
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