Signed-off-by: Leonardo Brás <leobra...@gmail.com>
---
 drivers/staging/fbtft/fbtft-sysfs.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/fbtft/fbtft-sysfs.c 
b/drivers/staging/fbtft/fbtft-sysfs.c
index 8327f8f26ab1..99c8c9a636b5 100644
--- a/drivers/staging/fbtft/fbtft-sysfs.c
+++ b/drivers/staging/fbtft/fbtft-sysfs.c
@@ -25,6 +25,7 @@ int fbtft_gamma_parse_str(struct fbtft_par *par, u32 *curves,
        unsigned long val = 0;
        int ret = 0;
        int curve_counter, value_counter;
+       unsigned long idx;
 
        fbtft_par_dbg(DEBUG_SYSFS, par, "%s() str=\n", __func__);
 
@@ -68,7 +69,10 @@ int fbtft_gamma_parse_str(struct fbtft_par *par, u32 *curves,
                        ret = get_next_ulong(&curve_p, &val, " ", 16);
                        if (ret)
                                goto out;
-                       curves[curve_counter * par->gamma.num_values + 
value_counter] = val;
+                       idx = curve_counter
+                             * par->gamma.num_values
+                             + value_counter;
+                       curves[idx] = val;
                        value_counter++;
                }
                if (value_counter != par->gamma.num_values) {
-- 
2.18.0

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