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kdf: fix clang uninitialized.Assign

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commit f1ce0cc95d tigger static analyzer warnings
about unitialized assign.
This commit is contained in:
Marco Oliverio
2022-06-16 13:51:39 +02:00
parent fb704774a0
commit 621f4f14af
1 changed files with 5 additions and 0 deletions
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5
wolfcrypt/src/kdf.c
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@ -150,6 +150,11 @@ int wc_PRF(byte* result, word32 resLen, const byte* secret,
if (lastLen) if (lastLen)
times += 1; times += 1;
/* times == 0 iif resLen == 0, but times == 0 abides clang static analyzer
while resLen == 0 doesn't */
if (times == 0)
return BAD_FUNC_ARG;
lastTime = times - 1; lastTime = times - 1;
ret = wc_HmacInit(hmac, heap, devId); ret = wc_HmacInit(hmac, heap, devId);