summaryrefslogtreecommitdiff
path: root/drivers/clk/ti/clkctrl.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/clk/ti/clkctrl.c')
-rw-r--r--drivers/clk/ti/clkctrl.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/clk/ti/clkctrl.c b/drivers/clk/ti/clkctrl.c
index b6fce916967c..607e34d8e289 100644
--- a/drivers/clk/ti/clkctrl.c
+++ b/drivers/clk/ti/clkctrl.c
@@ -13,6 +13,7 @@
#include <linux/of_address.h>
#include <linux/clk/ti.h>
#include <linux/delay.h>
+#include <linux/string_helpers.h>
#include <linux/timekeeping.h>
#include "clock.h"
@@ -258,6 +259,9 @@ static const char * __init clkctrl_get_clock_name(struct device_node *np,
if (clkctrl_name && !legacy_naming) {
clock_name = kasprintf(GFP_KERNEL, "%s-clkctrl:%04x:%d",
clkctrl_name, offset, index);
+ if (!clock_name)
+ return NULL;
+
strreplace(clock_name, '_', '-');
return clock_name;
@@ -470,11 +474,11 @@ static const char * __init clkctrl_get_name(struct device_node *np)
const int prefix_len = 11;
const char *compat;
const char *output;
+ const char *end;
char *name;
if (!of_property_read_string_index(np, "clock-output-names", 0,
&output)) {
- const char *end;
int len;
len = strlen(output);
@@ -488,13 +492,13 @@ static const char * __init clkctrl_get_name(struct device_node *np)
of_property_for_each_string(np, "compatible", prop, compat) {
if (!strncmp("ti,clkctrl-", compat, prefix_len)) {
+ end = compat + prefix_len;
/* Two letter minimum name length for l3, l4 etc */
- if (strnlen(compat + prefix_len, 16) < 2)
+ if (strnlen(end, 16) < 2)
continue;
- name = kasprintf(GFP_KERNEL, "%s", compat + prefix_len);
+ name = kstrdup_and_replace(end, '-', '_', GFP_KERNEL);
if (!name)
continue;
- strreplace(name, '-', '_');
return name;
}
@@ -586,6 +590,10 @@ static void __init _ti_omap4_clkctrl_setup(struct device_node *node)
if (clkctrl_name) {
provider->clkdm_name = kasprintf(GFP_KERNEL,
"%s_clkdm", clkctrl_name);
+ if (!provider->clkdm_name) {
+ kfree(provider);
+ return;
+ }
goto clkdm_found;
}