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authorPhilippe Mathieu-Daudé <philmd@linaro.org>2024-09-03 16:41:54 +0200
committerPeter Maydell <peter.maydell@linaro.org>2024-09-05 13:12:37 +0100
commit17e93dd5faaf3ba8a1df099cc9396e4943baa892 (patch)
tree79caedd7fc8c9bbc5ecbf55f15fdc437c0cb14fc /hw/arm/boot.c
parent2b490f150af4beee10250c8cb0da8a5b66b308e7 (diff)
downloadfocaccia-qemu-17e93dd5faaf3ba8a1df099cc9396e4943baa892.tar.gz
focaccia-qemu-17e93dd5faaf3ba8a1df099cc9396e4943baa892.zip
hw/arm/boot: Explain why load_elf_hdr() error is ignored
If the file is not an ELF file, arm_setup_direct_kernel_boot()
falls back to try it as a uimage or an AArch64 Image file or as
last resort a bare raw binary. We can discard load_elf_hdr()
error and silently return.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240903144154.17135-1-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/arm/boot.c')
-rw-r--r--hw/arm/boot.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/hw/arm/boot.c b/hw/arm/boot.c
index 6c895e05cb..5301d8d318 100644
--- a/hw/arm/boot.c
+++ b/hw/arm/boot.c
@@ -799,14 +799,18 @@ static ssize_t arm_load_elf(struct arm_boot_info *info, uint64_t *pentry,
     } elf_header;
     int data_swab = 0;
     bool big_endian;
-    ssize_t ret = -1;
+    ssize_t ret;
     Error *err = NULL;
 
 
     load_elf_hdr(info->kernel_filename, &elf_header, &elf_is64, &err);
     if (err) {
+        /*
+         * If the file is not an ELF file we silently return.
+         * The caller will fall back to try other formats.
+         */
         error_free(err);
-        return ret;
+        return -1;
     }
 
     if (elf_is64) {