git: 5fbf51588d20 - stable/13 - Remove a write-only variable.

The branch stable/13 has been updated by jhb:

URL: https://cgit.FreeBSD.org/src/commit/?id=5fbf51588d2011dfc650a13f7b18311e4f3d5296

commit 5fbf51588d2011dfc650a13f7b18311e4f3d5296
Author:     John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2021-05-11 21:56:23 +0000
Commit:     John Baldwin <jhb@FreeBSD.org>
CommitDate: 2022-11-10 18:26:22 +0000

    Remove a write-only variable.
    
    While refactoring an earlier series of changes during review, the
    'saved_data' variable stopped being used at the bottom of if_ioctl().
    
    Suggested by:   brooks
    Reviewed by:    brooks, imp, kib
    Fixes:          d17e0940f79f Rework compat shims in ifioctl().
    Sponsored by:   DARPA
    Differential Revision:  https://reviews.freebsd.org/D30197
    
    (cherry picked from commit ed93deba1106da2cd4755a61612c37bb67edc914)
---
 sys/net/if.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/sys/net/if.c b/sys/net/if.c
index 1f768ed1d4aa..aebda6d9e3ea 100644
--- a/sys/net/if.c
+++ b/sys/net/if.c
@@ -2922,7 +2922,6 @@ ifioctl(struct socket *so, u_long cmd, caddr_t data, struct thread *td)
 		struct ifgroupreq ifgr;
 		struct ifmediareq ifmr;
 	} thunk;
-	caddr_t saved_data;
 	u_long saved_cmd;
 	struct ifconf32 *ifc32;
 	struct ifdrv32 *ifd32;
@@ -2949,7 +2948,6 @@ ifioctl(struct socket *so, u_long cmd, caddr_t data, struct thread *td)
 
 #ifdef COMPAT_FREEBSD32
 	saved_cmd = cmd;
-	saved_data = data;
 	switch (cmd) {
 	case SIOCGIFCONF32:
 		ifc32 = (struct ifconf32 *)data;