summary refs log tree commit diff
path: root/drivers/rtc/rtc-pcf2123.c
diff options
context:
space:
mode:
authorIlya Shchepetkov <shchepetkov@ispras.ru>2012-08-21 16:16:06 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-08-21 16:45:03 -0700
commit5ed12f12825c6c0451d703bfe918a7fc190e2738 (patch)
tree63da97b6e829ae1ded87014e4a15af0bc52daadf /drivers/rtc/rtc-pcf2123.c
parentc81758fbe0fdbbc0c74b37798f55bd9c91d5c068 (diff)
downloadlinux-5ed12f12825c6c0451d703bfe918a7fc190e2738.tar.gz
drivers/rtc/rtc-pcf2123.c: initialize dynamic sysfs attributes
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 <shchepetkov@ispras.ru>
Cc: Chris Verges <chrisv@cyberswitching.com>
Cc: Christian Pellegrin <chripell@fsfe.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc/rtc-pcf2123.c')
-rw-r--r--drivers/rtc/rtc-pcf2123.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c
index 836118795c0b..13e4df63974f 100644
--- a/drivers/rtc/rtc-pcf2123.c
+++ b/drivers/rtc/rtc-pcf2123.c
@@ -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;