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-rw-r--r--crypto/bio/bio_lib.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/crypto/bio/bio_lib.c b/crypto/bio/bio_lib.c
index 95eef7d4bf5b..ca375b911ae8 100644
--- a/crypto/bio/bio_lib.c
+++ b/crypto/bio/bio_lib.c
@@ -52,7 +52,7 @@ static long bio_call_callback(BIO *b, int oper, const char *argp, size_t len,
argi = (int)len;
}
- if (inret && (oper & BIO_CB_RETURN) && bareoper != BIO_CB_CTRL) {
+ if (inret > 0 && (oper & BIO_CB_RETURN) && bareoper != BIO_CB_CTRL) {
if (*processed > INT_MAX)
return -1;
inret = *processed;
@@ -60,7 +60,7 @@ static long bio_call_callback(BIO *b, int oper, const char *argp, size_t len,
ret = b->callback(b, oper, argp, argi, argl, inret);
- if (ret >= 0 && (oper & BIO_CB_RETURN) && bareoper != BIO_CB_CTRL) {
+ if (ret > 0 && (oper & BIO_CB_RETURN) && bareoper != BIO_CB_CTRL) {
*processed = (size_t)ret;
ret = 1;
}