[Qemu-devel] [PATCH] mips_fulong2e: Detect format errors for function prom_set

[Stefan Weil]

Add the necessary gcc attribute and fix the detected errors.

Cc: Aurelien Jarno <address@hidden>
Signed-off-by: Stefan Weil <address@hidden>
---
 hw/mips_fulong2e.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/hw/mips_fulong2e.c b/hw/mips_fulong2e.c
index cbe7156..2ef5070 100644
--- a/hw/mips_fulong2e.c
+++ b/hw/mips_fulong2e.c
@@ -77,6 +77,8 @@ static struct _loaderparams {
 } loaderparams;
 
 static void prom_set(uint32_t* prom_buf, int index, const char *string, ...)
+    __attribute__ ((format (gnu_printf, 3, 4)));
+static void prom_set(uint32_t* prom_buf, int index, const char *string, ...)
 {
     va_list ap;
     int32_t table_addr;
@@ -141,13 +143,13 @@ static int64_t load_kernel (CPUState *env)
     prom_size = ENVP_NB_ENTRIES * (sizeof(int32_t) + ENVP_ENTRY_SIZE);
     prom_buf = qemu_malloc(prom_size);
 
-    prom_set(prom_buf, index++, loaderparams.kernel_filename);
+    prom_set(prom_buf, index++, "%s", loaderparams.kernel_filename);
     if (initrd_size > 0) {
-        prom_set(prom_buf, index++, "rd_start=0x" PRIx64 " rd_size=%li %s",
+        prom_set(prom_buf, index++, "rd_start=0x%" PRIx64 " rd_size=%li %s",
                  cpu_mips_phys_to_kseg0(NULL, initrd_offset), initrd_size,
                  loaderparams.kernel_cmdline);
     } else {
-        prom_set(prom_buf, index++, loaderparams.kernel_cmdline);
+        prom_set(prom_buf, index++, "%s", loaderparams.kernel_cmdline);
     }
 
     /* Setup minimum environment variables */
-- 
1.7.0.4