2.5.53 : drivers/net/wan/x25_asy.c

@@ -33,6 +33,7 @@
 #include <linux/lapb.h>
 #include <linux/init.h>
 #include "x25_asy.h"
+#include <linux/spinlock.h>
 
 typedef struct x25_ctrl {
 	struct x25_asy	ctrl;		/* X.25 things			*/

@@ -40,6 +41,7 @@
 } x25_asy_ctrl_t;
 
 static x25_asy_ctrl_t	**x25_asy_ctrls = NULL;
+static spinlock_t x25_asy_slock = SPIN_LOCK_UNLOCKED;
 
 int x25_asy_maxdev = SL_NRUNIT;		/* Can be overridden with insmod! */
 

@@ -164,8 +166,7 @@
 		return;
 	}
 
-	save_flags(flags); 
-	cli();
+	spin_lock_irqsave(&x25_asy_slock, flags); 
 
 	oxbuff    = sl->xbuff;
 	sl->xbuff = xbuff;

@@ -195,7 +196,7 @@
 
 	sl->buffsize = len;
 
-	restore_flags(flags);
+	spin_unlock_irqrestore(&x25_asy_slock, flags);
 
 	if (oxbuff != NULL) 
 		kfree(oxbuff);