misc: carma: fixup return type of wait_for_completion_timeout

return type of wait_for_completion_timeout is unsigned long not int. The
rc variable is renamed timeout to reflect its use and the type adjusted to
unsigned long.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/misc/carma/carma-fpga-program.c b/drivers/misc/carma/carma-fpga-program.c
index fff8c43d9943..0b1bd85e4ae6 100644
--- a/drivers/misc/carma/carma-fpga-program.c
+++ b/drivers/misc/carma/carma-fpga-program.c
@@ -479,6 +479,7 @@ static int fpga_program_block(struct fpga_dev *priv, void *buf, size_t count)
 static noinline int fpga_program_cpu(struct fpga_dev *priv)
 {
         int ret;
+        unsigned long timeout;
 
         /* Disable the programmer */
         fpga_programmer_disable(priv);
@@ -497,8 +498,8 @@ static noinline int fpga_program_cpu(struct fpga_dev *priv)
                 goto out_disable_controller;
 
         /* Wait for the interrupt handler to signal that programming finished */
-        ret = wait_for_completion_timeout(&priv->completion, 2 * HZ);
-        if (!ret) {
+        timeout = wait_for_completion_timeout(&priv->completion, 2 * HZ);
+        if (!timeout) {
                 dev_err(priv->dev, "Timed out waiting for completion\n");
                 ret = -ETIMEDOUT;
                 goto out_disable_controller;
@@ -536,6 +537,7 @@ static noinline int fpga_program_dma(struct fpga_dev *priv)
         struct sg_table table;
         dma_cookie_t cookie;
         int ret, i;
+        unsigned long timeout;
 
         /* Disable the programmer */
         fpga_programmer_disable(priv);
@@ -623,8 +625,8 @@ static noinline int fpga_program_dma(struct fpga_dev *priv)
         dev_dbg(priv->dev, "enabled the controller\n");
 
         /* Wait for the interrupt handler to signal that programming finished */
-        ret = wait_for_completion_timeout(&priv->completion, 2 * HZ);
-        if (!ret) {
+        timeout = wait_for_completion_timeout(&priv->completion, 2 * HZ);
+        if (!timeout) {
                 dev_err(priv->dev, "Timed out waiting for completion\n");
                 ret = -ETIMEDOUT;
                 goto out_disable_controller;