[U-Boot] [PATCH] pmic_i2c: Return error in case of invalid pmic_i2c_tx_num

[Fabio Estevam]

Return error in case of invalid pmic_i2c_tx_num.

Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
---
 drivers/misc/pmic_i2c.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/misc/pmic_i2c.c b/drivers/misc/pmic_i2c.c
index ad55d64..ebb124d 100644
--- a/drivers/misc/pmic_i2c.c
+++ b/drivers/misc/pmic_i2c.c
@@ -47,6 +47,9 @@ int pmic_reg_write(struct pmic *p, u32 reg, u32 val)
 	case 1:
 		buf[0] = val & 0xff;
 		break;
+	default:
+		printf("%s: invalid tx_num: %d", __func__, pmic_i2c_tx_num);
+		return -1;
 	}
 
 	if (i2c_write(pmic_i2c_addr, reg, 1, buf, pmic_i2c_tx_num))
@@ -73,6 +76,9 @@ int pmic_reg_read(struct pmic *p, u32 reg, u32 *val)
 	case 1:
 		ret_val = buf[0];
 		break;
+	default:
+		printf("%s: invalid tx_num: %d", __func__, pmic_i2c_tx_num);
+		return -1;
 	}
 	memcpy(val, &ret_val, sizeof(ret_val));
 
-- 
1.7.1