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[2/2] powerpc: If kexec_build_elf_info() fails return immediately from elf64_load()

Message ID 20210420190355.10059-2-nramas@linux.microsoft.com
State Accepted
Commit 031cc263c037a95e5d1249cbd3d55b77021f1eb8
Headers show
Series [1/2] powerpc: Free fdt on error in elf64_load() | expand

Commit Message

nramas April 20, 2021, 7:03 p.m. UTC 
Uninitialized local variable "elf_info" would be passed to
kexec_free_elf_info() if kexec_build_elf_info() returns an error
in elf64_load().

If kexec_build_elf_info() returns an error, return the error
immediately.

Signed-off-by: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
---
 arch/powerpc/kexec/elf_64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/powerpc/kexec/elf_64.c b/arch/powerpc/kexec/elf_64.c
index 02662e72c53d..eeb258002d1e 100644
--- a/arch/powerpc/kexec/elf_64.c
+++ b/arch/powerpc/kexec/elf_64.c
@@ -45,7 +45,7 @@  static void *elf64_load(struct kimage *image, char *kernel_buf,
 
 	ret = kexec_build_elf_info(kernel_buf, kernel_len, &ehdr, &elf_info);
 	if (ret)
-		goto out;
+		return ERR_PTR(ret);
 
 	if (image->type == KEXEC_TYPE_CRASH) {
 		/* min & max buffer values for kdump case */