X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fseq_file.c;h=7c40570b71dc02317a6963a1beed8d983700669a;hb=d669af9d5afb5bdb629f78d024b35e507465f570;hp=38ef913767ffd3f839df2d27f2c581d6071c05cd;hpb=07342d623b8e1ac9501a36a0da55cbce1117aeaf;p=linux-2.6

diff --git a/fs/seq_file.c b/fs/seq_file.c
index 38ef913767..7c40570b71 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