ath9k: fix wrong string size for strncmp in write_file_spec_scan_ctl()

Signed-off-by: Maks Naumov <maksqwe1@ukr.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/spectral.c b/drivers/net/wireless/ath/ath9k/spectral.c
index 5fe29b9..8f68426 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/spectral.c
+++ b/drivers/net/wireless/ath/ath9k/spectral.c
@@ -253,7 +253,7 @@ static ssize_t write_file_spec_scan_ctl(struct file *file,
 
        if (strncmp("trigger", buf, 7) == 0) {
                ath9k_spectral_scan_trigger(sc->hw);
-       } else if (strncmp("background", buf, 9) == 0) {
+       } else if (strncmp("background", buf, 10) == 0) {
                ath9k_spectral_scan_config(sc->hw, SPECTRAL_BACKGROUND);
                ath_dbg(common, CONFIG, "spectral scan: background mode enabled\n");
        } else if (strncmp("chanscan", buf, 8) == 0) {