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spl: fit: check image length 

Do not go further if it is 0.

Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Change-Id: I1d4c07303a4998a9c112986ee4efda39c1d55d63
This commit is contained in:
Joseph Chen 2020-06-12 18:18:59 +08:00
parent 0732900259
commit 359ed52cc2
1 changed files with 6 additions and 0 deletions
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6
common/spl/spl_fit.c
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@ -204,6 +204,9 @@ static int spl_load_fit_image(struct spl_load_info *info, ulong sector,
if (fit_image_get_data_size(fit, node, &len))
return -ENOENT;
if (!len)
return 0;
load_ptr = (load_addr + align_len) & ~align_len;
#if defined(CONFIG_ARCH_ROCKCHIP)
if ((load_ptr < CONFIG_SYS_SDRAM_BASE) ||
@ -232,6 +235,9 @@ static int spl_load_fit_image(struct spl_load_info *info, ulong sector,
debug("Embedded data: dst=%lx, size=%lx\n", load_addr,
(unsigned long)length);
src = (void *)data;
if (!length)
return 0;
}
/* Check hashes and signature */