ath10k: use the right length of "background"

commit 31b239824ece321c09bdb8e61e1d14814eaba38b upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/wireless/ath/ath10k/spectral.c b/drivers/net/wireless/ath/ath10k/spectral.c
index 4671cfbcd8f7a378155873de5488e67e91b6ea4d..a0e7eebc206ad239c48523049a04701e63fc178f 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);