tty: n_gsm: Fix incorrect debug display

In the trace we print the wrong values for N(R) on an I frame.
Correct the mask.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index 3e210a430fb3..1e8e8ce55959 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -488,7 +488,7 @@ static void gsm_print_packet(const char *hdr, int addr, int cr,
         default:
                 if (!(control & 0x01)) {
                         pr_cont("I N(S)%d N(R)%d",
-                                (control & 0x0E) >> 1, (control & 0xE) >> 5);
+                                (control & 0x0E) >> 1, (control & 0xE0) >> 5);
                 } else switch (control & 0x0F) {
                         case RR:
                                 pr_cont("RR(%d)", (control & 0xE0) >> 5);