print_symbol() uses extra stack space to sprintf() symbol
information and then to feed that buffer to printk()
char buffer[KSYM_SYMBOL_LEN];
sprint_symbol(buffer, address);
printk(fmt, buffer);
Replace print_symbol() with a direct printk("%pS") call.
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky at gmail.com>
Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
---
drivers/base/core.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/base/core.c b/drivers/base/core.c
index bf45587bcb46..36e20498159b 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -20,7 +20,6 @@
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/genhd.h>
-#include <linux/kallsyms.h>
#include <linux/mutex.h>
#include <linux/pm_runtime.h>
#include <linux/netdevice.h>
@@ -685,8 +684,8 @@ static ssize_t dev_attr_show(struct kobject *kobj, struct attribute *attr,
if (dev_attr->show)
ret = dev_attr->show(dev, dev_attr, buf);
if (ret >= (ssize_t)PAGE_SIZE) {
- print_symbol("dev_attr_show: %s returned bad count\n",
- (unsigned long)dev_attr->show);
+ printk("dev_attr_show: %pS returned bad count\n",
+ dev_attr->show);
}
return ret;
}
--
2.15.1
