---

yaml --- r: 25896 b: refs/heads/master c: 385910f h: refs/heads/master v: v3
git-mirror · Apr 18, 2006 · badd79c · badd79c
1 parent 4df54c9
commit badd79c
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Showing 2 changed files with 15 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0a489cb3b6a7b277030cdbc97c2c65905db94536
+refs/heads/master: 385910f2b275a636238f70844f1b6da9fda6f2da
diff --git a/trunk/fs/open.c b/trunk/fs/open.c
@@ -332,6 +332,7 @@ static long do_sys_ftruncate(unsigned int fd, loff_t length, int small)
 asmlinkage long sys_ftruncate(unsigned int fd, unsigned long length)
 {
 	long ret = do_sys_ftruncate(fd, length, 1);
+	/* avoid REGPARM breakage on x86: */
 	prevent_tail_call(ret);
 	return ret;
 }
@@ -346,6 +347,7 @@ asmlinkage long sys_truncate64(const char __user * path, loff_t length)
 asmlinkage long sys_ftruncate64(unsigned int fd, loff_t length)
 {
 	long ret = do_sys_ftruncate(fd, length, 0);
+	/* avoid REGPARM breakage on x86: */
 	prevent_tail_call(ret);
 	return ret;
 }
@@ -1097,20 +1099,30 @@ long do_sys_open(int dfd, const char __user *filename, int flags, int mode)
 
 asmlinkage long sys_open(const char __user *filename, int flags, int mode)
 {
+	long ret;
+
 	if (force_o_largefile())
 		flags |= O_LARGEFILE;
 
-	return do_sys_open(AT_FDCWD, filename, flags, mode);
+	ret = do_sys_open(AT_FDCWD, filename, flags, mode);
+	/* avoid REGPARM breakage on x86: */
+	prevent_tail_call(ret);
+	return ret;
 }
 EXPORT_SYMBOL_GPL(sys_open);
 
 asmlinkage long sys_openat(int dfd, const char __user *filename, int flags,
 			   int mode)
 {
+	long ret;
+
 	if (force_o_largefile())
 		flags |= O_LARGEFILE;
 
-	return do_sys_open(dfd, filename, flags, mode);
+	ret = do_sys_open(dfd, filename, flags, mode);
+	/* avoid REGPARM breakage on x86: */
+	prevent_tail_call(ret);
+	return ret;
 }
 EXPORT_SYMBOL_GPL(sys_openat);