char: xilinx_hwicap: Remove pointless local variables

Remove unused variables which generates these warnings:
[linux-4.10-rc5/drivers/char/xilinx_hwicap/buffer_icap.c:301]: (style)
Variable 'num_writes' is modified but its new value is never used.
[linux-4.10-rc5/drivers/char/xilinx_hwicap/buffer_icap.c:356]: (style)
Variable 'read_count' is modified but its new value is never used.

Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/char/xilinx_hwicap/buffer_icap.c b/drivers/char/xilinx_hwicap/buffer_icap.c
index 53c3882..35981ca 100644 (file)
--- a/drivers/char/xilinx_hwicap/buffer_icap.c
+++ b/drivers/char/xilinx_hwicap/buffer_icap.c
@@ -269,7 +269,6 @@ int buffer_icap_set_configuration(struct hwicap_drvdata *drvdata, u32 *data,
 {
        int status;
        s32 buffer_count = 0;
-       s32 num_writes = 0;
        bool dirty = false;
        u32 i;
        void __iomem *base_address = drvdata->base_address;
@@ -298,7 +297,6 @@ int buffer_icap_set_configuration(struct hwicap_drvdata *drvdata, u32 *data,
                }
 
                buffer_count = 0;
-               num_writes++;
                dirty = false;
        }
 
@@ -328,7 +326,6 @@ int buffer_icap_get_configuration(struct hwicap_drvdata *drvdata, u32 *data,
 {
        int status;
        s32 buffer_count = 0;
-       s32 read_count = 0;
        u32 i;
        void __iomem *base_address = drvdata->base_address;
 
@@ -353,7 +350,6 @@ int buffer_icap_get_configuration(struct hwicap_drvdata *drvdata, u32 *data,
                        }
 
                        buffer_count = 0;
-                       read_count++;
                }
 
                /* Copy data from bram */