ath10k: use the right length of "background"

The word "background" contains 10 characters so the third argument of
strncmp() need to be 10 in order to match this prefix correctly.

Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Fixes: 855aed1220d2 ("ath10k: add spectral scan feature")
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath10k/spectral.c b/drivers/net/wireless/ath/ath10k/spectral.c
index 7d9b0da..2ffc1fe 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/spectral.c
+++ b/drivers/net/wireless/ath/ath10k/spectral.c
@@ -338,7 +338,7 @@ static ssize_t write_file_spec_scan_ctl(struct file *file,
                } else {
                        res = -EINVAL;
                }
-       } else if (strncmp("background", buf, 9) == 0) {
+       } else if (strncmp("background", buf, 10) == 0) {
                res = ath10k_spectral_scan_config(ar, SPECTRAL_BACKGROUND);
        } else if (strncmp("manual", buf, 6) == 0) {
                res = ath10k_spectral_scan_config(ar, SPECTRAL_MANUAL);