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-rw-r--r--kexec/arch/arm/kexec-zImage-arm.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/kexec/arch/arm/kexec-zImage-arm.c b/kexec/arch/arm/kexec-zImage-arm.c
index 925a9be..f4c23bf 100644
--- a/kexec/arch/arm/kexec-zImage-arm.c
+++ b/kexec/arch/arm/kexec-zImage-arm.c
@@ -382,6 +382,7 @@ int zImage_arm_load(int argc, char **argv, const char *buf, off_t len,
unsigned int atag_offset = 0x1000; /* 4k offset from memory start */
unsigned int extra_size = 0x8000; /* TEXT_OFFSET */
const struct zimage_tag *tag;
+ size_t kernel_buf_size;
size_t kernel_mem_size;
const char *command_line;
char *modified_cmdline = NULL;
@@ -538,6 +539,15 @@ int zImage_arm_load(int argc, char **argv, const char *buf, off_t len,
}
/*
+ * Save the length of the compressed kernel image w/o the appended DTB.
+ * This will be required later on when the kernel image contained
+ * in the zImage will be loaded into a kernel memory segment.
+ * And we want to load ONLY the compressed kernel image from the zImage
+ * and discard the appended DTB.
+ */
+ kernel_buf_size = len;
+
+ /*
* Always extend the zImage by four bytes to ensure that an appended
* DTB image always sees an initialised value after _edata.
*/
@@ -759,7 +769,7 @@ int zImage_arm_load(int argc, char **argv, const char *buf, off_t len,
add_segment(info, dtb_buf, dtb_length, dtb_offset, dtb_length);
}
- add_segment(info, buf, len, kernel_base, kernel_mem_size);
+ add_segment(info, buf, kernel_buf_size, kernel_base, kernel_mem_size);
info->entry = (void*)kernel_base;