pxa2xx_spi: prevent panic case setup() fails
setup() may fail before ctldata is set, causing a kernel panic on cleanup(). Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Eric Miao <eric.y.miao@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -1373,6 +1373,9 @@ static void cleanup(struct spi_device *spi)
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{
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struct chip_data *chip = spi_get_ctldata(spi);
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if (!chip)
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return;
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if (gpio_is_valid(chip->gpio_cs))
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gpio_free(chip->gpio_cs);
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