Commit df22d814 authored Mar 08, 2017 by Sathish Ambley

msm: ADSPRPC: Null check for file session context during release



While releasing the device, check if the file session context is NULL
to make sure we are not dereferencing it during file free.

Change-Id: I310271189cf710b81c5182b936189fd57ddedd7b
Acked-by: Vishnu Karthik <vikarthi@qti.qualcomm.com>
Signed-off-by: Sathish Ambley <sathishambley@codeaurora.org>

parent 45ad5727

drivers/char/adsprpc.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -2082,6 +2082,10 @@ static int fastrpc_file_free(struct fastrpc_file *fl)
		hlist_del_init(&fl->hn);
		spin_unlock(&fl->apps->hlock);

		if (!fl->sctx) {
		kfree(fl);
		return 0;
		}
		(void)fastrpc_release_current_dsp_process(fl);
		fastrpc_context_list_dtor(fl);
		fastrpc_buf_list_free(fl);