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Date:   Fri, 22 Mar 2019 12:13:19 +0100
From:   Greg Kroah-Hartman <>
Cc:     Greg Kroah-Hartman <>,
Subject: [PATCH 4.4 061/230] isdn: isdn_tty: fix build warning of strncpy

4.4-stable review patch.  If anyone has any objections, please let me know.


From: Greg Kroah-Hartman <>

Not upstream as isdn is long deleted.

Fix up a strncpy build warning for isdn_tty_suspend() using strscpy.

It's not like anyone uses this code anyway, and this gets rid of a build
warnings so that we can see real warnings as they pop up over time.

Signed-off-by: Greg Kroah-Hartman <>

 drivers/isdn/i4l/isdn_tty.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -786,7 +786,7 @@ isdn_tty_suspend(char *id, modem_info *i
 		cmd.parm.cmsg.para[3] = 4; /* 16 bit 0x0004 Suspend */
 		cmd.parm.cmsg.para[4] = 0;
 		cmd.parm.cmsg.para[5] = l;
-		strncpy(&cmd.parm.cmsg.para[6], id, l);
+		strscpy(&cmd.parm.cmsg.para[6], id, l);
 		cmd.command = CAPI_PUT_MESSAGE;
 		cmd.driver = info->isdn_driver;
 		cmd.arg = info->isdn_channel;

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