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(ftpfs_initconn): clarify errno setup.

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Handle errors of bind(), getsockname(), and listen() calls.
Return if one of these functions fails and setup errno to indicate the
cause of the error.

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
This commit is contained in:
Andrew Borodin 2022-05-07 12:31:14 +03:00
parent 03cef1bb6f
commit 798f6e87b3
1 changed files with 9 additions and 4 deletions
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13
src/vfs/ftpfs/ftpfs.c
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@ -1403,10 +1403,15 @@ ftpfs_initconn (struct vfs_class *me, struct vfs_s_super *super)
if (data_sock < 0)
return (-1);
if ((bind (data_sock, (struct sockaddr *) &data_addr, data_addrlen) == 0) &&
(getsockname (data_sock, (struct sockaddr *) &data_addr, &data_addrlen) == 0) &&
(listen (data_sock, 1) == 0) &&
(ftpfs_setup_active (me, super, data_addr, data_addrlen) != 0))
if ((bind (data_sock, (struct sockaddr *) &data_addr, data_addrlen) != 0) ||
(getsockname (data_sock, (struct sockaddr *) &data_addr, &data_addrlen) != 0) ||
(listen (data_sock, 1) != 0))
{
close (data_sock);
ERRNOR (errno, -1);
}
if (ftpfs_setup_active (me, super, data_addr, data_addrlen) != 0)
return data_sock;
close (data_sock);