HTTP/2: avoid memcpy() with NULL source and zero length.

Prodded by Clang Static Analyzer.
This commit is contained in:
Maxim Dounin 2021-08-31 16:44:13 +03:00
parent 1e8c0d4e06
commit 15bf6d8cc9

View File

@ -4241,7 +4241,9 @@ ngx_http_v2_process_request_body(ngx_http_request_t *r, u_char *pos,
n = size;
}
rb->buf->last = ngx_cpymem(rb->buf->last, pos, n);
if (n > 0) {
rb->buf->last = ngx_cpymem(rb->buf->last, pos, n);
}
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, fc->log, 0,
"http2 request body recv %uz", n);