tty: synclink_gt: remove MGSL_MAGIC

According to Greg, in the context of magic numbers as defined in
magic-number.rst, "the tty layer should not need this and I'll gladly
take patches"

Acked-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Ref: https://lore.kernel.org/linux-doc/YyMlovoskUcHLEb7@kroah.com/
Link: https://lore.kernel.org/r/3d82b3c864970cdec6717c56dd906b54e78694d7.1663288066.git.nabijaczleweli@nabijaczleweli.xyz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

5 files changed, 0 insertions, 12 deletions

diff --git a/Documentation/process/magic-number.rst b/Documentation/process/magic-number.rst
index fdaa3e4b1953..2326c3be94fc 100644
--- a/Documentation/process/magic-number.rst
+++ b/Documentation/process/magic-number.rst
@@ -83,7 +83,6 @@ SLIP_MAGIC            0x5302           slip                     ``drivers/net/sl
 STRIP_MAGIC           0x5303           strip                    ``drivers/net/strip.c``
 SIXPACK_MAGIC         0x5304           sixpack                  ``drivers/net/hamradio/6pack.h``
 AX25_MAGIC            0x5316           ax_disp                  ``drivers/net/mkiss.h``
-MGSL_MAGIC            0x5401           mgsl_info                ``drivers/char/synclink.c``
 MGSLPC_MAGIC          0x5402           mgslpc_info              ``drivers/char/pcmcia/synclink_cs.c``
 USB_SERIAL_MAGIC      0x6702           usb_serial               ``drivers/usb/serial/usb-serial.h``
 FULL_DUPLEX_MAGIC     0x6969                                    ``drivers/net/ethernet/dec/tulip/de2104x.c``
diff --git a/Documentation/translations/it_IT/process/magic-number.rst b/Documentation/translations/it_IT/process/magic-number.rst
index 1898f98875de..1803497816f1 100644
--- a/Documentation/translations/it_IT/process/magic-number.rst
+++ b/Documentation/translations/it_IT/process/magic-number.rst
@@ -89,7 +89,6 @@ SLIP_MAGIC            0x5302           slip                     ``drivers/net/sl
 STRIP_MAGIC           0x5303           strip                    ``drivers/net/strip.c``
 SIXPACK_MAGIC         0x5304           sixpack                  ``drivers/net/hamradio/6pack.h``
 AX25_MAGIC            0x5316           ax_disp                  ``drivers/net/mkiss.h``
-MGSL_MAGIC            0x5401           mgsl_info                ``drivers/char/synclink.c``
 MGSLPC_MAGIC          0x5402           mgslpc_info              ``drivers/char/pcmcia/synclink_cs.c``
 USB_SERIAL_MAGIC      0x6702           usb_serial               ``drivers/usb/serial/usb-serial.h``
 FULL_DUPLEX_MAGIC     0x6969                                    ``drivers/net/ethernet/dec/tulip/de2104x.c``
diff --git a/Documentation/translations/zh_CN/process/magic-number.rst b/Documentation/translations/zh_CN/process/magic-number.rst
index 911cdaeaf698..9780bf710eeb 100644
--- a/Documentation/translations/zh_CN/process/magic-number.rst
+++ b/Documentation/translations/zh_CN/process/magic-number.rst
@@ -72,7 +72,6 @@ SLIP_MAGIC            0x5302           slip                     ``drivers/net/sl
 STRIP_MAGIC           0x5303           strip                    ``drivers/net/strip.c``
 SIXPACK_MAGIC         0x5304           sixpack                  ``drivers/net/hamradio/6pack.h``
 AX25_MAGIC            0x5316           ax_disp                  ``drivers/net/mkiss.h``
-MGSL_MAGIC            0x5401           mgsl_info                ``drivers/char/synclink.c``
 MGSLPC_MAGIC          0x5402           mgslpc_info              ``drivers/char/pcmcia/synclink_cs.c``
 USB_SERIAL_MAGIC      0x6702           usb_serial               ``drivers/usb/serial/usb-serial.h``
 FULL_DUPLEX_MAGIC     0x6969                                    ``drivers/net/ethernet/dec/tulip/de2104x.c``
diff --git a/Documentation/translations/zh_TW/process/magic-number.rst b/Documentation/translations/zh_TW/process/magic-number.rst
index ac87f188235f..933545e92137 100644
--- a/Documentation/translations/zh_TW/process/magic-number.rst
+++ b/Documentation/translations/zh_TW/process/magic-number.rst
@@ -75,7 +75,6 @@ SLIP_MAGIC            0x5302           slip                     ``drivers/net/sl
 STRIP_MAGIC           0x5303           strip                    ``drivers/net/strip.c``
 SIXPACK_MAGIC         0x5304           sixpack                  ``drivers/net/hamradio/6pack.h``
 AX25_MAGIC            0x5316           ax_disp                  ``drivers/net/mkiss.h``
-MGSL_MAGIC            0x5401           mgsl_info                ``drivers/char/synclink.c``
 MGSLPC_MAGIC          0x5402           mgslpc_info              ``drivers/char/pcmcia/synclink_cs.c``
 USB_SERIAL_MAGIC      0x6702           usb_serial               ``drivers/usb/serial/usb-serial.h``
 FULL_DUPLEX_MAGIC     0x6969                                    ``drivers/net/ethernet/dec/tulip/de2104x.c``
diff --git a/drivers/tty/synclink_gt.c b/drivers/tty/synclink_gt.c
index 4a003e929776..25e9befdda3a 100644
--- a/drivers/tty/synclink_gt.c
+++ b/drivers/tty/synclink_gt.c
@@ -91,7 +91,6 @@ static char *driver_name     = "SyncLink GT";
 static char *slgt_driver_name = "synclink_gt";
 static char *tty_dev_prefix  = "ttySLG";
 MODULE_LICENSE("GPL");
-#define MGSL_MAGIC 0x5401
 #define MAX_DEVICES 32
 
 static const struct pci_device_id pci_table[] = {
@@ -215,8 +214,6 @@ struct slgt_info {
 
 	struct slgt_info *next_device;	/* device list link */
 
-	int magic;
-
 	char device_name[25];
 	struct pci_dev *pdev;
 
@@ -554,10 +551,6 @@ static inline int sanity_check(struct slgt_info *info, char *devname, const char
 		printk("null struct slgt_info for (%s) in %s\n", devname, name);
 		return 1;
 	}
-	if (info->magic != MGSL_MAGIC) {
-		printk("bad magic number struct slgt_info (%s) in %s\n", devname, name);
-		return 1;
-	}
 #else
 	if (!info)
 		return 1;
@@ -3499,7 +3492,6 @@ static struct slgt_info *alloc_dev(int adapter_num, int port_num, struct pci_dev
 	} else {
 		tty_port_init(&info->port);
 		info->port.ops = &slgt_port_ops;
-		info->magic = MGSL_MAGIC;
 		INIT_WORK(&info->task, bh_handler);
 		info->max_frame_size = 4096;
 		info->base_clock = 14745600;