UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

SCSI fixes on 20201002 

Two patches in driver frameworks.  The iscsi one corrects a bug
 induced by a BPF change to network locking and the other is a
 regression we introduced.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
 -----BEGIN PGP SIGNATURE-----
 
 iJwEABMIAEQWIQTnYEDbdso9F2cI+arnQslM7pishQUCX3d3QyYcamFtZXMuYm90
 dG9tbGV5QGhhbnNlbnBhcnRuZXJzaGlwLmNvbQAKCRDnQslM7pishWv9AP9lxJ1U
 32sHZ5d46Idsd8ipfYmEqCh8s/9cTvx9VEwmdQEAzeH3nvAEJXX4YEzmnsKeF6Nf
 IFLoRQ7RLEhfmNfJ/L0=
 =96lr
 -----END PGP SIGNATURE-----

Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Two patches in driver frameworks. The iscsi one corrects a bug induced
  by a BPF change to network locking and the other is a regression we
  introduced"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: iscsi: iscsi_tcp: Avoid holding spinlock while calling getpeername()
  scsi: target: Fix lun lookup for TARGET_SCF_LOOKUP_LUN_FROM_TAG case
This commit is contained in:
Linus Torvalds 2020-10-02 14:42:13 -07:00
parent 702bfc891d bcf3a2953d
commit cb6f55af1f
2 changed files with 18 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/scsi/iscsi_tcp.c
View File

@ -736,6 +736,7 @@ static int iscsi_sw_tcp_conn_get_param(struct iscsi_cls_conn *cls_conn,
struct iscsi_tcp_conn *tcp_conn = conn->dd_data;
struct iscsi_sw_tcp_conn *tcp_sw_conn = tcp_conn->dd_data;
struct sockaddr_in6 addr;
struct socket *sock;
int rc;
switch(param) {
@ -747,13 +748,17 @@ static int iscsi_sw_tcp_conn_get_param(struct iscsi_cls_conn *cls_conn,
spin_unlock_bh(&conn->session->frwd_lock);
return -ENOTCONN;
}
sock = tcp_sw_conn->sock;
sock_hold(sock->sk);
spin_unlock_bh(&conn->session->frwd_lock);
if (param == ISCSI_PARAM_LOCAL_PORT)
rc = kernel_getsockname(tcp_sw_conn->sock,
rc = kernel_getsockname(sock,
(struct sockaddr *)&addr);
else
rc = kernel_getpeername(tcp_sw_conn->sock,
rc = kernel_getpeername(sock,
(struct sockaddr *)&addr);
spin_unlock_bh(&conn->session->frwd_lock);
sock_put(sock->sk);
if (rc < 0)
return rc;
@ -775,6 +780,7 @@ static int iscsi_sw_tcp_host_get_param(struct Scsi_Host *shost,
struct iscsi_tcp_conn *tcp_conn;
struct iscsi_sw_tcp_conn *tcp_sw_conn;
struct sockaddr_in6 addr;
struct socket *sock;
int rc;
switch (param) {
@ -789,16 +795,18 @@ static int iscsi_sw_tcp_host_get_param(struct Scsi_Host *shost,
return -ENOTCONN;
}
tcp_conn = conn->dd_data;
tcp_sw_conn = tcp_conn->dd_data;
if (!tcp_sw_conn->sock) {
sock = tcp_sw_conn->sock;
if (!sock) {
spin_unlock_bh(&session->frwd_lock);
return -ENOTCONN;
}
rc = kernel_getsockname(tcp_sw_conn->sock,
(struct sockaddr *)&addr);
sock_hold(sock->sk);
spin_unlock_bh(&session->frwd_lock);
rc = kernel_getsockname(sock,
(struct sockaddr *)&addr);
sock_put(sock->sk);
if (rc < 0)
return rc;

3
drivers/target/target_core_transport.c
View File

@ -1840,7 +1840,8 @@ int target_submit_tmr(struct se_cmd *se_cmd, struct se_session *se_sess,
* out unpacked_lun for the original se_cmd.
*/
if (tm_type == TMR_ABORT_TASK && (flags & TARGET_SCF_LOOKUP_LUN_FROM_TAG)) {
if (!target_lookup_lun_from_tag(se_sess, tag, &unpacked_lun))
if (!target_lookup_lun_from_tag(se_sess, tag,
&se_cmd->orig_fe_lun))
goto failure;
}