From: Axel Lin <axel.lin-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
Shawn Guo <shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Subject: [PATCH RESEND] spi/imx: simplify error handling to free gpios
Date: Tue, 10 Jan 2012 15:27:36 +0800 [thread overview]
Message-ID: <1326180456.4956.7.camel@phoenix> (raw)
Simplify the error handling by moving the code to free gpios in one place.
Signed-off-by: Axel Lin <axel.lin-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Acked-by: Shawn Guo <shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
---
drivers/spi/spi-imx.c | 11 +++--------
1 files changed, 3 insertions(+), 8 deletions(-)
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index c6e697f..31054e3 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -793,13 +793,8 @@ static int __devinit spi_imx_probe(struct platform_device *pdev)
ret = gpio_request(spi_imx->chipselect[i], DRIVER_NAME);
if (ret) {
- while (i > 0) {
- i--;
- if (spi_imx->chipselect[i] >= 0)
- gpio_free(spi_imx->chipselect[i]);
- }
dev_err(&pdev->dev, "can't get cs gpios\n");
- goto out_master_put;
+ goto out_gpio_free;
}
}
@@ -881,10 +876,10 @@ out_iounmap:
out_release_mem:
release_mem_region(res->start, resource_size(res));
out_gpio_free:
- for (i = 0; i < master->num_chipselect; i++)
+ while (--i >= 0) {
if (spi_imx->chipselect[i] >= 0)
gpio_free(spi_imx->chipselect[i]);
-out_master_put:
+ }
spi_master_put(master);
kfree(master);
platform_set_drvdata(pdev, NULL);
--
1.7.5.4
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next reply other threads:[~2012-01-10 7:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-10 7:27 Axel Lin [this message]
2012-03-09 23:27 ` [PATCH RESEND] spi/imx: simplify error handling to free gpios Grant Likely
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