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bfa: fix bfa_fcb_itnim_alloc() error handling 

The caller assumes that "itnim" is NULL on error and non-NULL on success
but really "itnim" is uninitialized on error.  This function should just
use normal error handling where it returns zero on success and negative
on failure.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Anil Gurumurthy <anil.gurumurthy@qlogic.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
hifive-unleashed-5.1
Dan Carpenter 2016-04-13 14:14:41 +03:00 committed by Martin K. Petersen
parent 13f307711b
commit 4e51af9ee7
3 changed files with 8 additions and 6 deletions
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4
drivers/scsi/bfa/bfa_fcs.h
View File

@ -874,8 +874,8 @@ bfa_status_t bfa_fcb_rport_alloc(struct bfad_s *bfad,
/*
* itnim callbacks
*/
void bfa_fcb_itnim_alloc(struct bfad_s *bfad, struct bfa_fcs_itnim_s **itnim,
struct bfad_itnim_s **itnim_drv);
int bfa_fcb_itnim_alloc(struct bfad_s *bfad, struct bfa_fcs_itnim_s **itnim,
struct bfad_itnim_s **itnim_drv);
void bfa_fcb_itnim_free(struct bfad_s *bfad,
struct bfad_itnim_s *itnim_drv);
void bfa_fcb_itnim_online(struct bfad_itnim_s *itnim_drv);

5
drivers/scsi/bfa/bfa_fcs_fcpim.c
View File

@ -588,12 +588,13 @@ bfa_fcs_itnim_create(struct bfa_fcs_rport_s *rport)
struct bfa_fcs_lport_s *port = rport->port;
struct bfa_fcs_itnim_s *itnim;
struct bfad_itnim_s *itnim_drv;
int ret;
/*
* call bfad to allocate the itnim
*/
bfa_fcb_itnim_alloc(port->fcs->bfad, &itnim, &itnim_drv);
if (itnim == NULL) {
ret = bfa_fcb_itnim_alloc(port->fcs->bfad, &itnim, &itnim_drv);
if (ret) {
bfa_trc(port->fcs, rport->pwwn);
return NULL;
}

5
drivers/scsi/bfa/bfad_im.c
View File

@ -440,13 +440,13 @@ bfad_im_slave_destroy(struct scsi_device *sdev)
* BFA FCS itnim alloc callback, after successful PRLI
* Context: Interrupt
*/
void
int
bfa_fcb_itnim_alloc(struct bfad_s *bfad, struct bfa_fcs_itnim_s **itnim,
struct bfad_itnim_s **itnim_drv)
{
*itnim_drv = kzalloc(sizeof(struct bfad_itnim_s), GFP_ATOMIC);
if (*itnim_drv == NULL)
return;
return -ENOMEM;
(*itnim_drv)->im = bfad->im;
*itnim = &(*itnim_drv)->fcs_itnim;
@ -457,6 +457,7 @@ bfa_fcb_itnim_alloc(struct bfad_s *bfad, struct bfa_fcs_itnim_s **itnim,
*/
INIT_WORK(&(*itnim_drv)->itnim_work, bfad_im_itnim_work_handler);
bfad->bfad_flags |= BFAD_RPORT_ONLINE;
return 0;
}
/*