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drivers/rtc/rtc-pcf2123.c: initialize dynamic sysfs attributes

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Dynamically allocated sysfs attributes must be initialized using
sysfs_attr_init(), otherwise lockdep complains: BUG: key <address> not in
.data!

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Ilya Shchepetkov <[email protected]>
Cc: Chris Verges <[email protected]>
Cc: Christian Pellegrin <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Ilya Shchepetkov 2012-08-21 16:16:06 -07:00 • committed by Linus Torvalds
commit 5ed12f1282
1 changed files with 2 additions and 0 deletions
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2
drivers/rtc/rtc-pcf2123.c
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@ -43,6 +43,7 @@
#include <linux/rtc.h>
#include <linux/spi/spi.h>
#include <linux/module.h>
#include <linux/sysfs.h>
#define DRV_VERSION "0.6"
@ -292,6 +293,7 @@ static int __devinit pcf2123_probe(struct spi_device *spi)
pdata->rtc = rtc;
for (i = 0; i < 16; i++) {
sysfs_attr_init(&pdata->regs[i].attr.attr);
sprintf(pdata->regs[i].name, "%1x", i);
pdata->regs[i].attr.attr.mode = S_IRUGO | S_IWUSR;
pdata->regs[i].attr.attr.name = pdata->regs[i].name;