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linuxkm/lkcapi_sha_glue.c: refactor error code handling in wc_linuxkm_drbg_generate() (followup to 3c9996efe0 in #10688).

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This commit is contained in:
Daniel Pouzzner
2026-06-16 12:19:57 -05:00
parent c38f11b9a7
commit d4eaeb1b2e
1 changed files with 10 additions and 13 deletions
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linuxkm/lkcapi_sha_glue.c
+10 -13
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@@ -1231,15 +1231,11 @@ static int wc_linuxkm_drbg_generate(struct wc_rng_bank *ctx,
continue;
if (unlikely(ret == WC_NO_ERR_TRACE(RNG_FAILURE_E))) {
if (slen > 0) {
ret = -EINVAL;
if (slen > 0)
break;
}
if (retried) {
ret = -EINVAL;
if (retried)
break;
}
retried = 1;
ret = wc_rng_bank_inst_reinit(ctx,
@@ -1248,20 +1244,21 @@ static int wc_linuxkm_drbg_generate(struct wc_rng_bank *ctx,
WC_RNG_BANK_FLAG_CAN_WAIT);
if (ret == 0) {
pr_warn("WARNING: reinitialized DRBG #%d after RNG_FAILURE_E from wc_RNG_GenerateBlock().\n", raw_smp_processor_id());
pr_warn_ratelimited("WARNING: reinitialized DRBG #%d after RNG_FAILURE_E from wc_RNG_GenerateBlock().\n", raw_smp_processor_id());
continue;
}
else {
pr_warn_once("ERROR: reinitialization of DRBG #%d after RNG_FAILURE_E failed with ret %d.\n", raw_smp_processor_id(), ret);
ret = -EINVAL;
pr_err_ratelimited("ERROR: reinitialization of DRBG #%d after RNG_FAILURE_E failed with ret %d.\n", raw_smp_processor_id(), ret);
break;
}
}
else {
pr_warn_once("ERROR: wc_linuxkm_drbg_generate() wc_RNG_GenerateBlock returned %d.\n",ret);
ret = -EINVAL;
else
break;
}
}
if (ret != 0) {
pr_err_ratelimited("ERROR: wc_linuxkm_drbg_generate() failing on wolfCrypt code %d.\n",ret);
ret = -EINVAL;
}
out: