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| author | Marc-André Lureau <marcandre.lureau@redhat.com> | 2018-11-10 17:45:40 +0400 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2019-01-14 00:40:54 +0100 |
| commit | 2d6cc3d0e77a0d5b4ba4df2cb0d3387881369cfb (patch) | |
| tree | 68ecea031c7d62da05b68f6b0c2b01f9f750e500 | |
| parent | 3ed9f823c688c0dd5dd8d2c936329168c4859d02 (diff) | |
| download | focaccia-qemu-2d6cc3d0e77a0d5b4ba4df2cb0d3387881369cfb.tar.gz focaccia-qemu-2d6cc3d0e77a0d5b4ba4df2cb0d3387881369cfb.zip | |
slirp: remove unused EMU_RSH
EMU_RSH handling was dropped in commit 0d62c4cfe21752df4c1d6e2c2398f15d5eaa794a. The assignment, and subsequent free() of ex_ptr->ex_exec to so->extra looks unsafe (double free is likely to occur). Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
| -rw-r--r-- | slirp/misc.h | 1 | ||||
| -rw-r--r-- | slirp/slirp.c | 2 | ||||
| -rw-r--r-- | slirp/socket.c | 4 | ||||
| -rw-r--r-- | slirp/tcp_subr.c | 1 |
4 files changed, 0 insertions, 8 deletions
diff --git a/slirp/misc.h b/slirp/misc.h index 64ca88c3b7..94829722cd 100644 --- a/slirp/misc.h +++ b/slirp/misc.h @@ -26,7 +26,6 @@ struct ex_list { #define EMU_REALAUDIO 0x5 #define EMU_RLOGIN 0x6 #define EMU_IDENT 0x7 -#define EMU_RSH 0x8 #define EMU_NOCONNECT 0x10 /* Don't connect */ diff --git a/slirp/slirp.c b/slirp/slirp.c index 0de46084c0..fac7849195 100644 --- a/slirp/slirp.c +++ b/slirp/slirp.c @@ -1499,8 +1499,6 @@ static int slirp_state_load(QEMUFile *f, void *opaque, int version_id) } if (!ex_ptr) return -EINVAL; - - so->extra = (void *)ex_ptr->ex_exec; } return vmstate_load_state(f, &vmstate_slirp, slirp, version_id); diff --git a/slirp/socket.c b/slirp/socket.c index c01d8696af..041ec5061a 100644 --- a/slirp/socket.c +++ b/slirp/socket.c @@ -89,10 +89,6 @@ sofree(struct socket *so) soqfree(so, &slirp->if_fastq); soqfree(so, &slirp->if_batchq); - if (so->so_emu==EMU_RSH && so->extra) { - sofree(so->extra); - so->extra=NULL; - } if (so == slirp->tcp_last_so) { slirp->tcp_last_so = &slirp->tcb; } else if (so == slirp->udp_last_so) { diff --git a/slirp/tcp_subr.c b/slirp/tcp_subr.c index e7b2baa087..fd7521854e 100644 --- a/slirp/tcp_subr.c +++ b/slirp/tcp_subr.c @@ -541,7 +541,6 @@ static const struct tos_t tcptos[] = { {0, 23, IPTOS_LOWDELAY, 0}, /* telnet */ {0, 80, IPTOS_THROUGHPUT, 0}, /* WWW */ {0, 513, IPTOS_LOWDELAY, EMU_RLOGIN|EMU_NOCONNECT}, /* rlogin */ - {0, 514, IPTOS_LOWDELAY, EMU_RSH|EMU_NOCONNECT}, /* shell */ {0, 544, IPTOS_LOWDELAY, EMU_KSH}, /* kshell */ {0, 543, IPTOS_LOWDELAY, 0}, /* klogin */ {0, 6667, IPTOS_THROUGHPUT, EMU_IRC}, /* IRC */ |