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coverity 263769 dereference before null check

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This commit is contained in:
Philippe Teuwen 2019-10-24 01:32:44 +02:00
parent e872ac58f7
commit 30da3cfd42
1 changed files with 3 additions and 4 deletions
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7
common/crapto1/crypto1.c
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@ -26,12 +26,11 @@
(x = (x >> 8 & 0xff00ff) | (x & 0xff00ff) << 8, x = x >> 16 | x << 16)
void crypto1_init(struct Crypto1State *state, uint64_t key) {
if (state == NULL)
return;
state->odd = 0;
state->even = 0;
int i;
for (i = 47; state && i > 0; i -= 2) {
for (int i = 47; i > 0; i -= 2) {
state->odd = state->odd << 1 | BIT(key, (i - 1) ^ 7);
state->even = state->even << 1 | BIT(key, i ^ 7);
}