git: 1b1cf17660de - stable/13 - linux(4): Add a comment explaining udata freeing on error

The branch stable/13 has been updated by dchagin:

URL: https://cgit.FreeBSD.org/src/commit/?id=1b1cf17660ded2e13731190ea1e0b9e039fa4ed6

commit 1b1cf17660ded2e13731190ea1e0b9e039fa4ed6
Author:     Dmitry Chagin <dchagin@FreeBSD.org>
AuthorDate: 2023-08-14 12:46:12 +0000
Commit:     Dmitry Chagin <dchagin@FreeBSD.org>
CommitDate: 2023-08-21 10:39:05 +0000

    linux(4): Add a comment explaining udata freeing on error
    
    MFC after:      1 week
    
    (cherry picked from commit 9d0c9b6d6a6a90f626088308dfb895221bf6d36f)
---
 sys/compat/linux/linux_socket.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/compat/linux/linux_socket.c b/sys/compat/linux/linux_socket.c
index 5db366b58401..ba17e38c1c64 100644
--- a/sys/compat/linux/linux_socket.c
+++ b/sys/compat/linux/linux_socket.c
@@ -1871,6 +1871,7 @@ linux_recvmsg_common(struct thread *td, l_int s, struct l_msghdr *msghdr,
  			break;
  		}
 
+		/* The recvmsg_scm_ is responsible to free udata on error. */
 		if (error != 0)
 			goto bad;