power: Sanity check touchscreen path

* Let's not always assume this isn't NULL Change-Id: I181cb014fc06d0f0ca795c3ecc374ccf9dbb57f1 Signed-off-by: Paul Keith <javelinanddart@bestas.gr>
8 years ago · 5e4fbe091d
parent 1961bdbc43
commit 5e4fbe091d
1 changed files with 4 additions and 1 deletions
--- a/power/power.c
+++ b/power/power.c
@ -382,7 +382,10 @@ static void samsung_power_set_interactive(struct power_module *module, int on)
        }
    }

-    sysfs_write(samsung_pwr->touchscreen_power_path, on ? "1" : "0");
+    /* Sanity check the touchscreen path */
+    if (samsung_pwr->touchscreen_power_path) {
+        sysfs_write(samsung_pwr->touchscreen_power_path, on ? "1" : "0");
+    }

    /* Bail out if the device does not have touchkeys */
    if (samsung_pwr->touchkey_power_path == NULL) {