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efi_loader: fix an IS_ERR() vs NULL check

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The efi_parse_pkcs7_header() function returns NULL on error so the check
for IS_ERR() should be changed to a NULL check.

Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
This commit is contained in:
Dan Carpenter 2023-07-27 10:16:20 +03:00 committed by Heinrich Schuchardt
parent 1b7e469a66
commit dae236924c
1 changed files with 1 additions and 2 deletions
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3
lib/efi_loader/efi_capsule.c
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@ -368,9 +368,8 @@ efi_status_t efi_capsule_authenticate(const void *capsule, efi_uintn_t capsule_s
auth_hdr->auth_info.hdr.dwLength auth_hdr->auth_info.hdr.dwLength
- sizeof(auth_hdr->auth_info), - sizeof(auth_hdr->auth_info),
&buf); &buf);
if (IS_ERR(capsule_sig)) { if (!capsule_sig) {
debug("Parsing variable's pkcs7 header failed\n"); debug("Parsing variable's pkcs7 header failed\n");
capsule_sig = NULL;
goto out; goto out;
} }