Commit c31106b7 authored Jun 22, 2018 by Zhouyang Jia Committed by Boris Brezillon Jul 07, 2018

mtd: maps: gpio-addr-flash: add error handling for ioremap_nocache



When ioremap_nocache fails, the lack of error-handling code may
cause unexpected results.

This patch adds error-handling code after calling ioremap_nocache.

Signed-off-by: Zhouyang Jia <jiazhouyang09@gmail.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>

parent 7a1f1b59

drivers/mtd/maps/gpio-addr-flash.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -239,6 +239,9 @@ static int gpio_flash_probe(struct platform_device *pdev)
		state->map.bankwidth = pdata->width;
		state->map.size = state->win_size * (1 << state->gpio_count);
		state->map.virt = ioremap_nocache(memory->start, state->map.size);
		if (!state->map.virt)
		return -ENOMEM;

		state->map.phys = NO_XIP;
		state->map.map_priv_1 = (unsigned long)state;

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