[PATCH] kexec/ppc: Check for a uImage initrd with ELF kernel

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From: Suzuki K. Poulose <suzuki@xxxxxxxxxx>

We should check if the initrd is in uImage format, when
the kernel might be in ELF.

Signed-off-by : Suzuki K Poulose <suzuki at in.ibm.com>
Signed-off-by : Athira Rajeev<atrajeev at in.ibm.com>
---

 kexec/arch/ppc/kexec-elf-ppc.c |    2 +-
 kexec/arch/ppc/kexec-ppc.h     |    3 +++
 2 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/kexec/arch/ppc/kexec-elf-ppc.c b/kexec/arch/ppc/kexec-elf-ppc.c
index 98cae9c..df1b521 100644
--- a/kexec/arch/ppc/kexec-elf-ppc.c
+++ b/kexec/arch/ppc/kexec-elf-ppc.c
@@ -371,7 +371,7 @@ int elf_ppc_load(int argc, char **argv,	const char *buf, off_t len,
 	blob_buf = fixup_dtb_init(info, blob_buf, &blob_size, kernel_addr, &dtb_addr);
 
 	if (ramdisk) {
-		seg_buf = slurp_file(ramdisk, &seg_size);
+		seg_buf = slurp_ramdisk_ppc(ramdisk, &seg_size);
 		/* load the ramdisk *above* the device tree */
 		hole_addr = add_buffer(info, seg_buf, seg_size, seg_size,
 				0, dtb_addr + blob_size + 1,  max_addr, -1);
diff --git a/kexec/arch/ppc/kexec-ppc.h b/kexec/arch/ppc/kexec-ppc.h
index 68728c6..904cf48 100644
--- a/kexec/arch/ppc/kexec-ppc.h
+++ b/kexec/arch/ppc/kexec-ppc.h
@@ -78,4 +78,7 @@ extern int read_memory_region_limits(int fd, unsigned long long *start,
 #define COMMAND_LINE_SIZE	512 /* from kernel */
 /*fs2dt*/
 void reserve(unsigned long long where, unsigned long long length);
+
+/* Defined kexec-uImage-ppc.c */
+extern char* slurp_ramdisk_ppc(const char *filename, off_t *r_size);
 #endif /* KEXEC_PPC_H */




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