X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fisdn%2Fi4l%2Fisdn_common.c;h=eb71c80924a058fc86333b00b47e2b8f3945bac5;hb=7b563c525e46f373a521421e31aa791cc27beb56;hp=4956e2e02018521df0d9cd80520e09aa454e8dca;hpb=a91482bdcc2e0f6035702e46f1b99043a0893346;p=linux-2.6.git

diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c
index 4956e2e02..eb71c8092 100644
--- a/drivers/isdn/i4l/isdn_common.c
+++ b/drivers/isdn/i4l/isdn_common.c
@@ -946,6 +946,9 @@ isdn_read(struct file *file, char __user *buf, size_t count, loff_t * off)
 	int retval;
 	char *p;
 
+	if (off != &file->f_pos)
+		return -ESPIPE;
+
 	lock_kernel();
 	if (minor == ISDN_MINOR_STATUS) {
 		if (!file->private_data) {
@@ -1048,6 +1051,9 @@ isdn_write(struct file *file, const char __user *buf, size_t count, loff_t * off
 	int chidx;
 	int retval;
 
+	if (off != &file->f_pos)
+		return -ESPIPE;
+
 	if (minor == ISDN_MINOR_STATUS)
 		return -EPERM;
 	if (!dev->drivers)
@@ -1653,7 +1659,6 @@ isdn_open(struct inode *ino, struct file *filep)
 	}
 #endif
  out:
-	nonseekable_open(ino, filep);
 	return retval;
 }