sha256/gcrypt: die on gcry_md_open failures

`gcry_md_open' allocates memory and must (like all allocation functions) be checked for failure. Signed-off-by: Eric Wong <e@80x24.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
mjg · Jul 31, 2023 · 823839b · 823839b
1 parent 8b608f3
commit 823839b
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/sha256/gcrypt.h b/sha256/gcrypt.h
@@ -9,7 +9,9 @@ typedef gcry_md_hd_t gcrypt_SHA256_CTX;
 
 static inline void gcrypt_SHA256_Init(gcrypt_SHA256_CTX *ctx)
 {
- gcry_md_open(ctx, GCRY_MD_SHA256, 0);
+ gcry_error_t err = gcry_md_open(ctx, GCRY_MD_SHA256, 0);
+ if (err)
+ die("gcry_md_open: %s", gcry_strerror(err));
 }
 
 static inline void gcrypt_SHA256_Update(gcrypt_SHA256_CTX *ctx, const void *data, size_t len)