Patchwork [U-Boot] universal_c210: check the NULL pointer when get the PMIC

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Submitter Minkyu Kang
Date Dec. 10, 2012, 1:50 p.m.
Message ID <50C5E8B5.3080805@samsung.com>
Download mbox | patch
Permalink /patch/204879/
State Changes Requested
Headers show

Comments

Minkyu Kang - Dec. 10, 2012, 1:50 p.m.
PMIC 2.0 require to test return pointer from pmic_get()

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Cc: Lukasz Majewski <l.majewski@samsung.com>
Cc: Wolfgang Denk <wd@denx.de>
---
 board/samsung/universal_c210/universal.c |    6 ++++++
 1 file changed, 6 insertions(+)

Patch

diff --git a/board/samsung/universal_c210/universal.c b/board/samsung/universal_c210/universal.c
index 4869798..ae24469 100644
--- a/board/samsung/universal_c210/universal.c
+++ b/board/samsung/universal_c210/universal.c
@@ -343,6 +343,9 @@  static void init_pmic_lcd(void)
 
 	struct pmic *p = pmic_get("MAX8998_PMIC");
 
+	if (!p)
+		return -ENODEV;
+
 	if (pmic_probe(p))
 		return;
 
@@ -434,6 +437,9 @@  static void lcd_power_on(void)
 {
 	struct pmic *p = pmic_get("MAX8998_PMIC");
 
+	if (!p)
+		return -ENODEV;
+
 	if (pmic_probe(p))
 		return;