raspberrypi: use signed int for return variable

Closes #2873.
2017-01-19 15:34:18 -05:00
parent 3f09d63548
commit 70e8abf391
1 changed files with 1 additions and 1 deletions
--- a/c/src/lib/libbsp/arm/raspberrypi/i2c/i2c.c
+++ b/c/src/lib/libbsp/arm/raspberrypi/i2c/i2c.c
@@ -239,7 +239,7 @@ static void i2c_handler(void *arg)
 static int rpi_i2c_transfer(i2c_bus *base, i2c_msg *msgs, uint32_t msg_count)
 {
  rpi_i2c_bus *bus = (rpi_i2c_bus *) base;
-  uint32_t rv = 0;
+  int rv = 0;
  uint32_t i;

  /* Perform an initial parse through the messages for the I2C_M_RECV_LEN flag,