git: 59fb30e78554 - stable/13 - getmntpoint: Don't compare st_rdev for non-devices

The branch stable/13 has been updated by des:

URL: https://cgit.FreeBSD.org/src/commit/?id=59fb30e78554a587a0954351cc7a682b4e24ecdb

commit 59fb30e78554a587a0954351cc7a682b4e24ecdb
Author:     Dag-Erling Smørgrav <des@FreeBSD.org>
AuthorDate: 2025-08-17 17:07:45 +0000
Commit:     Dag-Erling Smørgrav <des@FreeBSD.org>
CommitDate: 2025-08-27 18:50:57 +0000

    getmntpoint: Don't compare st_rdev for non-devices
    
    If the mntfromname of a mountpoint is not a device (e.g. nullfs, tarfs,
    procfs) we shouldn't compare st_rdev, as any match will be spurious.
    
    MFC after:      1 week
    Sponsored by:   Klara, Inc.
    Sponsored by:   NetApp, Inc.
    Reviewed by:    kib
    Differential Revision:  https://reviews.freebsd.org/D51945
    
    (cherry picked from commit 8073a5137f223bb481606b15edaa5ecb93ceffcb)
---
 sbin/mount/getmntopts.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sbin/mount/getmntopts.c b/sbin/mount/getmntopts.c
index 31987f7b0b78..fab25466425f 100644
--- a/sbin/mount/getmntopts.c
+++ b/sbin/mount/getmntopts.c
@@ -192,6 +192,7 @@ getmntpoint(const char *name)
 				strncpy(statfsp->f_mntfromname, device, len);
 		}
 		if (stat(ddevname, &mntdevstat) == 0 &&
+		    S_ISCHR(mntdevstat.st_mode) &&
 		    mntdevstat.st_rdev == devstat.st_rdev)
 			return (statfsp);
 	}