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net: Fix crash on http

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Don't free file->data on receiving FIN flag since it is used all over
without checking. http_close() will be called later to free that memory.

Fixes bug: https://bugzilla.redhat.com/show_bug.cgi?id=860834

Signed-off-by: Gustavo Luiz Duarte <gustavold@linux.vnet.ibm.com>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Gustavo Luiz Duarte authored and Daniel Kiper committed 2019-09-23 13:16:48 +02:00
1 parent 3ea9bc3c06
commit fc085f7f18
1 file changed
+1 -1
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grub-core/net/http.c
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@@ -392,7 +392,7 @@ http_establish (struct grub_file *file, grub_off_t offset, int initial)
data->sock = grub_net_tcp_open (file->device->net->server, data->sock = grub_net_tcp_open (file->device->net->server,
HTTP_PORT, http_receive, HTTP_PORT, http_receive,
http_err, http_err, http_err, NULL,
file); file);
if (!data->sock) if (!data->sock)
{ {