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leds: renesas: fix error handling

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bfe4c041 "leds: convert Renesas TPU LED driver to devm_kzalloc() and
cleanup error exit path" introduced a possible case in which r_tpu_probe
calls iounmap on a wild pointer. This changes the one case that was
missed in the same way as the other error paths.

Without this patch, building kota2_defconfig results in:

drivers/leds/leds-renesas-tpu.c: In function 'r_tpu_probe':
drivers/leds/leds-renesas-tpu.c:246:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized]
drivers/leds/leds-renesas-tpu.c:308:17: warning: 'p' may be used uninitialized in this function [-Wuninitialized]

Signed-off-by: Arnd Bergmann <[email protected]>
Cc: Magnus Damm <[email protected]>
Signed-off-by: Bryan Wu <[email protected]>
This commit is contained in:
Arnd Bergmann 2012-08-09 05:27:58 +08:00 • committed by Bryan Wu
commit 4a5a418462
1 changed files with 1 additions and 1 deletions
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2
drivers/leds/leds-renesas-tpu.c
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@ -247,7 +247,7 @@ static int __devinit r_tpu_probe(struct platform_device *pdev)
if (!cfg) {
dev_err(&pdev->dev, "missing platform data\n");
goto err0;
return -ENODEV;
}
p = devm_kzalloc(&pdev->dev, sizeof(*p), GFP_KERNEL);