CRIS: Check if pointer is set before using it (243ba2fa) · Commits · e / devices / android_kernel_samsung_universal8895

arch/cris/include/arch-v32/arch/io.h

+12 −8

Original line number	Diff line number	Diff line
		@@ -46,10 +46,12 @@ static inline void crisv32_io_set(struct crisv32_iopin *iopin, int val)
		unsigned long flags;
		spin_lock_irqsave(&iopin->port->lock, flags);

		if (iopin->port->data) {
		if (val)
		*iopin->port->data \|= iopin->bit;
		else
		*iopin->port->data &= ~iopin->bit;
		}

		spin_unlock_irqrestore(&iopin->port->lock, flags);
		}
		@@ -60,10 +62,12 @@ static inline void crisv32_io_set_dir(struct crisv32_iopin* iopin,
		unsigned long flags;
		spin_lock_irqsave(&iopin->port->lock, flags);

		if (iopin->port->oe) {
		if (dir == crisv32_io_dir_in)
		*iopin->port->oe &= ~iopin->bit;
		else
		*iopin->port->oe \|= iopin->bit;
		}

		spin_unlock_irqrestore(&iopin->port->lock, flags);
		}