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arm: am33xx: security: Fix size calculation on header

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Fix the size calculation in the verify boot. The header size
should be subtracted from the image size, not be assigned to
the image size.

Fixes: 0830d72bb9 ("arm: am33xx: security: adds auth support for encrypted images")
Signed-off-by: Madan Srinivas <madans@ti.com>
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Andrew F. Davis <afd@ti.com>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
This commit is contained in:
Madan Srinivas 2018-01-09 14:32:41 -06:00 committed by Tom Rini
parent 0d8c1df8d8
commit fbd23b9b94
1 changed files with 1 additions and 1 deletions
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arch/arm/mach-omap2/sec-common.c
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@ -130,7 +130,7 @@ int secure_boot_verify_image(void **image, size_t *size)
*size = sig_addr - cert_addr; /* Subtract out the signature size */
/* Subtract header if present */
if (strncmp((char *)sig_addr, "CERT_ISW_", 9) == 0)
*size = ((u32 *)*image)[HEADER_SIZE_OFFSET];
*size -= ((u32 *)*image)[HEADER_SIZE_OFFSET];
cert_size = *size;
/* Check if image load address is 32-bit aligned */