[rtems commit] raspberrypi: use signed int for return variable

[Gedare Bloom]

Module:    rtems
Branch:    master
Commit:    70e8abf3917c93ab085ca77fee379df9fa000183
Changeset: http://git.rtems.org/rtems/commit/?id=70e8abf3917c93ab085ca77fee379df9fa000183

Author:    Gedare Bloom <gedare at rtems.org>
Date:      Thu Jan 19 15:34:18 2017 -0500

raspberrypi: use signed int for return variable

Closes #2873.

---

 c/src/lib/libbsp/arm/raspberrypi/i2c/i2c.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/c/src/lib/libbsp/arm/raspberrypi/i2c/i2c.c b/c/src/lib/libbsp/arm/raspberrypi/i2c/i2c.c
index 9bf90ec..d391267 100644
--- 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,