Commit a5124134 authored Jun 20, 2017 by Tharun Kumar Merugu Committed by Gerrit - the friendly Code Review server Jun 20, 2017

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



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

Change-Id: I4ba08cf9a1d56a5e28e6230b9f2fe02a52b70cb0
Acked-by: Vishnu Karthik D <vikarthi@qti.qualcomm.com>
Signed-off-by: Tharun Kumar Merugu <mtharu@codeaurora.org>

parent 827c6ada

drivers/char/adsprpc.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -1735,6 +1735,11 @@ 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);