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tools: kwbimage: Check the return value of image_headersz_v1()

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Function image_headersz_v1() may return zero on fatal errors.
In this case the function already printed an error message.

Check the return value of image_headersz_v1() in kwbimage_generate(),
and exit on zero value with EXIT_FAILURE.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Pali Rohár 2022-01-12 18:20:42 +01:00 committed by Stefan Roese
parent 0aca27ea18
commit 252e7c3a24
1 changed files with 4 additions and 0 deletions
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4
tools/kwbimage.c
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@ -2029,6 +2029,10 @@ static int kwbimage_generate(struct image_tool_params *params,
case 1:
alloc_len = image_headersz_v1(NULL);
if (!alloc_len) {
free(image_cfg);
exit(EXIT_FAILURE);
}
break;
default: