parisc: Use safer strscpy() in setup_cmdline()

hdeller · hdeller · commit bd25c378527f · 2022-01-20T20:39:19.000+01:00
Signed-off-by: Helge Deller &lt;deller@gmx.de&gt;
diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c
@@ -56,7 +56,7 @@ void __init setup_cmdline(char **cmdline_p)
 		/* called from hpux boot loader */
 		boot_command_line[0] = '\0';
 	} else {
-		strlcpy(boot_command_line, (char *)__va(boot_args[1]),
+		strscpy(boot_command_line, (char *)__va(boot_args[1]),
 			COMMAND_LINE_SIZE);
 
 #ifdef CONFIG_BLK_DEV_INITRD
@@ -68,7 +68,7 @@ void __init setup_cmdline(char **cmdline_p)
 #endif
 	}
 
-	strcpy(command_line, boot_command_line);
+	strscpy(command_line, boot_command_line, COMMAND_LINE_SIZE);
 	*cmdline_p = command_line;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -56,7 +56,7 @@ void __init setup_cmdline(char **cmdline_p)`
`56`	`56`	`/* called from hpux boot loader */`
`57`	`57`	`boot_command_line[0] = '\0';`
`58`	`58`	`} else {`
`59`		`- strlcpy(boot_command_line, (char *)__va(boot_args[1]),`
	`59`	`+ strscpy(boot_command_line, (char *)__va(boot_args[1]),`
`60`	`60`	`COMMAND_LINE_SIZE);`
`61`	`61`
`62`	`62`	`#ifdef CONFIG_BLK_DEV_INITRD`
`@@ -68,7 +68,7 @@ void __init setup_cmdline(char **cmdline_p)`
`68`	`68`	`#endif`
`69`	`69`	`}`
`70`	`70`
`71`		`- strcpy(command_line, boot_command_line);`
	`71`	`+ strscpy(command_line, boot_command_line, COMMAND_LINE_SIZE);`
`72`	`72`	`*cmdline_p = command_line;`
`73`	`73`	`}`
`74`	`74`