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Properly fix out of memory handling in the iSCSI target.

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Approved by:	re (glebius)
Sponsored by:	FreeBSD Foundation
This commit is contained in:
Edward Tomasz Napierala 2013-10-08 19:18:02 +00:00
parent e70cb911b6
commit a9c80a534a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=256163
1 changed files with 11 additions and 4 deletions
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15
sys/cam/ctl/ctl_frontend_iscsi.c
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@ -59,6 +59,7 @@ __FBSDID("$FreeBSD$");
#include <cam/ctl/ctl_io.h>
#include <cam/ctl/ctl.h>
#include <cam/ctl/ctl_backend.h>
#include <cam/ctl/ctl_error.h>
#include <cam/ctl/ctl_frontend.h>
#include <cam/ctl/ctl_frontend_internal.h>
#include <cam/ctl/ctl_debug.h>
@ -2301,7 +2302,8 @@ cfiscsi_datamove_in(union ctl_io *io)
if (response == NULL) {
CFISCSI_SESSION_WARN(cs, "failed to "
"allocate memory; dropping connection");
icl_pdu_free(request);
ctl_set_busy(&io->scsiio);
io->scsiio.be_move_done(io);
cfiscsi_session_terminate(cs);
return;
}
@ -2330,8 +2332,9 @@ cfiscsi_datamove_in(union ctl_io *io)
if (error != 0) {
CFISCSI_SESSION_WARN(cs, "failed to "
"allocate memory; dropping connection");
icl_pdu_free(request);
icl_pdu_free(response);
ctl_set_busy(&io->scsiio);
io->scsiio.be_move_done(io);
cfiscsi_session_terminate(cs);
return;
}
@ -2428,8 +2431,10 @@ cfiscsi_datamove_out(union ctl_io *io)
if (cdw == NULL) {
CFISCSI_SESSION_WARN(cs, "failed to "
"allocate memory; dropping connection");
icl_pdu_free(request);
ctl_set_busy(&io->scsiio);
io->scsiio.be_move_done(io);
cfiscsi_session_terminate(cs);
return;
}
cdw->cdw_ctl_io = io;
cdw->cdw_target_transfer_tag = htonl(target_transfer_tag);
@ -2462,8 +2467,10 @@ cfiscsi_datamove_out(union ctl_io *io)
if (response == NULL) {
CFISCSI_SESSION_WARN(cs, "failed to "
"allocate memory; dropping connection");
icl_pdu_free(request);
ctl_set_busy(&io->scsiio);
io->scsiio.be_move_done(io);
cfiscsi_session_terminate(cs);
return;
}
bhsr2t = (struct iscsi_bhs_r2t *)response->ip_bhs;
bhsr2t->bhsr2t_opcode = ISCSI_BHS_OPCODE_R2T;