[PATCH 2/2] kexec-tools: mips: Concatenate --reuse-cmdline and --append

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Use concat_cmdline() to concatenate the --append string and
the --reuse-cmdline string, otherwise only one of the two
options is valid.

This is similar with commit 8b42c99aa3bc ("Fix --reuse-cmdline
so it is usable.").

Signed-off-by: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx>
---
 kexec/arch/mips/kexec-mips.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/kexec/arch/mips/kexec-mips.c b/kexec/arch/mips/kexec-mips.c
index 10ae45b..d8cbea8 100644
--- a/kexec/arch/mips/kexec-mips.c
+++ b/kexec/arch/mips/kexec-mips.c
@@ -109,15 +109,17 @@ int arch_process_options(int argc, char **argv)
 	};
 	static const char short_options[] = KEXEC_ARCH_OPT_STR;
 	int opt;
+	char *cmdline = NULL;
+	const char *append = NULL;
 
 	while ((opt = getopt_long(argc, argv, short_options,
 				  options, 0)) != -1) {
 		switch (opt) {
 		case OPT_APPEND:
-			arch_options.command_line = optarg;
+			append = optarg;
 			break;
 		case OPT_REUSE_CMDLINE:
-			arch_options.command_line = get_command_line();
+			cmdline = get_command_line();
 			break;
 		case OPT_DTB:
 			arch_options.dtb_file = optarg;
@@ -130,6 +132,8 @@ int arch_process_options(int argc, char **argv)
 		}
 	}
 
+	arch_options.command_line = concat_cmdline(cmdline, append);
+
 	dbgprintf("%s:%d: command_line: %s\n", __func__, __LINE__,
 		arch_options.command_line);
 	dbgprintf("%s:%d: initrd: %s\n", __func__, __LINE__,
-- 
2.1.0


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