nios2 update for v5.4-rc1

nios2: force the string buffer NULL-terminated
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Merge tag 'nios2-v5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2

Pull nios2 fix from Ley Foon Tan:
 "Make sure the command line buffer is NUL-terminated"

* tag 'nios2-v5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2:
  nios2: force the string buffer NULL-terminated

arch/nios2/kernel/setup.c

@@ -123,7 +123,7 @@ asmlinkage void __init nios2_boot_init(unsigned r4, unsigned r5, unsigned r6,
 		dtb_passed = r6;
 
 		if (r7)
-			strncpy(cmdline_passed, (char *)r7, COMMAND_LINE_SIZE);
+			strlcpy(cmdline_passed, (char *)r7, COMMAND_LINE_SIZE);
 	}
 #endif
 
@@ -131,10 +131,10 @@ asmlinkage void __init nios2_boot_init(unsigned r4, unsigned r5, unsigned r6,
 
 #ifndef CONFIG_CMDLINE_FORCE
 	if (cmdline_passed[0])
-		strncpy(boot_command_line, cmdline_passed, COMMAND_LINE_SIZE);
+		strlcpy(boot_command_line, cmdline_passed, COMMAND_LINE_SIZE);
 #ifdef CONFIG_NIOS2_CMDLINE_IGNORE_DTB
 	else
-		strncpy(boot_command_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
+		strlcpy(boot_command_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
 #endif
 #endif