diff options
Diffstat (limited to 'crypto/err/err.c')
| -rw-r--r-- | crypto/err/err.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/crypto/err/err.c b/crypto/err/err.c index a8bde92674..23836b844b 100644 --- a/crypto/err/err.c +++ b/crypto/err/err.c @@ -176,7 +176,8 @@ static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d) { ERR_STRING_DATA *p = NULL; - CRYPTO_THREAD_read_lock(err_string_lock); + if (!CRYPTO_THREAD_read_lock(err_string_lock)) + return NULL; p = lh_ERR_STRING_DATA_retrieve(int_error_hash, d); CRYPTO_THREAD_unlock(err_string_lock); @@ -238,7 +239,8 @@ static void err_patch(int lib, ERR_STRING_DATA *str) */ static int err_load_strings(const ERR_STRING_DATA *str) { - CRYPTO_THREAD_write_lock(err_string_lock); + if (!CRYPTO_THREAD_write_lock(err_string_lock)) + return 0; for (; str->error; str++) (void)lh_ERR_STRING_DATA_insert(int_error_hash, (ERR_STRING_DATA *)str); @@ -281,7 +283,8 @@ int ERR_unload_strings(int lib, ERR_STRING_DATA *str) if (!RUN_ONCE(&err_string_init, do_err_strings_init)) return 0; - CRYPTO_THREAD_write_lock(err_string_lock); + if (!CRYPTO_THREAD_write_lock(err_string_lock)) + return 0; /* * We don't need to ERR_PACK the lib, since that was done (to * the table) when it was loaded. @@ -728,7 +731,8 @@ int ERR_get_next_error_library(void) if (!RUN_ONCE(&err_string_init, do_err_strings_init)) return 0; - CRYPTO_THREAD_write_lock(err_string_lock); + if (!CRYPTO_THREAD_write_lock(err_string_lock)) + return 0; ret = int_err_library_number++; CRYPTO_THREAD_unlock(err_string_lock); return ret; |