patch-2.3.49 linux/fs/binfmt_script.c

• Lines: 28
• Date: Tue Feb 29 11:13:27 2000
• Orig file: v2.3.48/linux/fs/binfmt_script.c
• Orig date: Sun Feb 20 21:12:39 2000

diff -u --recursive --new-file v2.3.48/linux/fs/binfmt_script.c linux/fs/binfmt_script.c
@@ -11,6 +11,7 @@
 #include <linux/malloc.h>
 #include <linux/binfmts.h>
 #include <linux/init.h>
+#include <linux/smp_lock.h>
 
 static int do_load_script(struct linux_binprm *bprm,struct pt_regs *regs)
 {
@@ -27,7 +28,9 @@
 	 */
 
 	bprm->sh_bang++;
+	lock_kernel();
 	dput(bprm->dentry);
+	unlock_kernel();
 	bprm->dentry = NULL;
 
 	bprm->buf[127] = '\0';
@@ -78,7 +81,9 @@
 	/*
 	 * OK, now restart the process with the interpreter's dentry.
 	 */
+	lock_kernel();
 	dentry = open_namei(interp, 0, 0);
+	unlock_kernel();
 	if (IS_ERR(dentry))
 		return PTR_ERR(dentry);