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| author | Philippe Mathieu-Daudé <philmd@redhat.com> | 2022-08-19 16:39:28 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2022-09-22 16:38:28 +0100 |
| commit | fa87341dabebe79d2e5577432a98b83c9eddf968 (patch) | |
| tree | 117c374d99a0c8c670dc70df3d0c61f75df2264c /hw/i386/multiboot.c | |
| parent | 7650c8fe520c67c3b36f6962c4ad990f56ad40b8 (diff) | |
| download | focaccia-qemu-fa87341dabebe79d2e5577432a98b83c9eddf968.tar.gz focaccia-qemu-fa87341dabebe79d2e5577432a98b83c9eddf968.zip | |
hw/i386/multiboot: Avoid dynamic stack allocation
Use autofree heap allocation instead of variable-length array on the stack. Replace the snprintf() call by g_strdup_printf(). Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20220819153931.3147384-9-peter.maydell@linaro.org
Diffstat (limited to 'hw/i386/multiboot.c')
| -rw-r--r-- | hw/i386/multiboot.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/hw/i386/multiboot.c b/hw/i386/multiboot.c index 0a10089f14..963e29362e 100644 --- a/hw/i386/multiboot.c +++ b/hw/i386/multiboot.c @@ -163,6 +163,7 @@ int load_multiboot(X86MachineState *x86ms, uint8_t *mb_bootinfo_data; uint32_t cmdline_len; GList *mods = NULL; + g_autofree char *kcmdline = NULL; /* Ok, let's see if it is a multiboot image. The header is 12x32bit long, so the latest entry may be 8192 - 48. */ @@ -362,9 +363,7 @@ int load_multiboot(X86MachineState *x86ms, } /* Commandline support */ - char kcmdline[strlen(kernel_filename) + strlen(kernel_cmdline) + 2]; - snprintf(kcmdline, sizeof(kcmdline), "%s %s", - kernel_filename, kernel_cmdline); + kcmdline = g_strdup_printf("%s %s", kernel_filename, kernel_cmdline); stl_p(bootinfo + MBI_CMDLINE, mb_add_cmdline(&mbs, kcmdline)); stl_p(bootinfo + MBI_BOOTLOADER, mb_add_bootloader(&mbs, bootloader_name)); |