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pki_gcrypt: Fix memory leak.

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* src/pki_gcrypt.c (pki_key_ecdsa_to_nid): Release 'sexp'.

Signed-off-by: Justus Winter <justus@g10code.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Justus Winter
2016-11-09 16:34:14 +01:00
committed by Andreas Schneider
parent 2f6a866373
commit 4b33c6bb97
1 changed files with 4 additions and 0 deletions
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4
src/pki_gcrypt.c
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@@ -701,20 +701,24 @@ static int pki_key_ecdsa_to_nid(gcry_sexp_t k)
cmp = memcmp("NIST P-256", tmp, size); cmp = memcmp("NIST P-256", tmp, size);
if (cmp == 0) { if (cmp == 0) {
gcry_sexp_release(sexp);
return NID_gcrypt_nistp256; return NID_gcrypt_nistp256;
} }
cmp = memcmp("NIST P-384", tmp, size); cmp = memcmp("NIST P-384", tmp, size);
if (cmp == 0) { if (cmp == 0) {
gcry_sexp_release(sexp);
return NID_gcrypt_nistp384; return NID_gcrypt_nistp384;
} }
cmp = memcmp("NIST P-521", tmp, size); cmp = memcmp("NIST P-521", tmp, size);
if (cmp == 0) { if (cmp == 0) {
gcry_sexp_release(sexp);
return NID_gcrypt_nistp521; return NID_gcrypt_nistp521;
} }
} }
gcry_sexp_release(sexp);
return -1; return -1;
} }