ucode: add ferror() call to check for closed write file descriptor

Fixes stale udebug stream processes when run over ssh

Signed-off-by: Felix Fietkau <[email protected]>

diff --git a/lib-ucode.c b/lib-ucode.c
index d282197af0dd2fad41276bf9275c4748bdda318a..00ab1c846417d72e07374861e92e878b4f7391f0 100644 (file)
--- a/lib-ucode.c
+++ b/lib-ucode.c
@@ -417,6 +417,9 @@ uc_udebug_pcap_write(uc_vm_t *vm, size_t nargs)
                ret = true;
        }
 
+       if (ferror(p->f))
+               return NULL;
+
 out:
        return ucv_boolean_new(ret);
 }