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authorPaul Mackerras <paulus@samba.org>2005-11-10 11:06:04 +1100
committerPaul Mackerras <paulus@samba.org>2005-11-10 11:06:04 +1100
commit31e7f1ff3c5d39a70da85f7d81a1ab1f4e64fa97 (patch)
treea6cb8f14b1182e5dce55d13e52c1182a8c7e0402 /fs/seq_file.c
parentfca5dcd4835ed09bb1a48a355344aff7a25c76e0 (diff)
parent6730c3c14421b7c924d06e31bb66e0adad225547 (diff)
Merge ../linux-2.6
Diffstat (limited to 'fs/seq_file.c')
-rw-r--r--fs/seq_file.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/fs/seq_file.c b/fs/seq_file.c
index 38ef913767ff..7c40570b71dc 100644
--- a/fs/seq_file.c
+++ b/fs/seq_file.c
@@ -28,13 +28,17 @@
*/
int seq_open(struct file *file, struct seq_operations *op)
{
- struct seq_file *p = kmalloc(sizeof(*p), GFP_KERNEL);
- if (!p)
- return -ENOMEM;
+ struct seq_file *p = file->private_data;
+
+ if (!p) {
+ p = kmalloc(sizeof(*p), GFP_KERNEL);
+ if (!p)
+ return -ENOMEM;
+ file->private_data = p;
+ }
memset(p, 0, sizeof(*p));
sema_init(&p->sem, 1);
p->op = op;
- file->private_data = p;
/*
* Wrappers around seq_open(e.g. swaps_open) need to be