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Commit 92359a8a authored by Andhavarapu Karthik's avatar Andhavarapu Karthik
Browse files

disp: msm: sde: add checks to avoid null pointer dereference 



This change adds required checks to avoid accessing null pointer
where debug bus is not initialised and dumping the debug bus points.

Change-Id: Ia46a4b95706f05e37be660f006c04b1e2e9f6848
Signed-off-by: default avatarAndhavarapu Karthik <kartkart@codeaurora.org>
parent 862239a2

msm/sde_dbg.c

+3 −0
Original line number Diff line number Diff line
@@ -959,6 +959,9 @@ static void _sde_dbg_dump_sde_dbg_bus(struct sde_dbg_sde_debug_bus *bus) 
	u32 bus_size;

	char name[20];



	if (!bus || !bus->cmn.entries_size)

		return;



	reg_base = _sde_dump_get_blk_addr(bus->cmn.name);

	if (!reg_base || !reg_base->base) {

		pr_err("unable to find mem_base for %s\n", bus->cmn.name);