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scsi: bfa: Move a large struct from the stack onto the heap 

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/bfa/bfa_fcs_lport.c: In function ‘bfa_fcs_lport_fdmi_build_rhba_pyld’:
 drivers/scsi/bfa/bfa_fcs_lport.c:2152:1: warning: the frame size of 1200 bytes is larger than 1024 bytes [-Wframe-larger-than=]

Link: https://lore.kernel.org/r/20210312094738.2207817-15-lee.jones@linaro.org
Cc: Anil Gurumurthy <anil.gurumurthy@qlogic.com>
Cc: Sudarsana Kalluru <sudarsana.kalluru@qlogic.com>
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Lee Jones 2021-03-12 09:47:22 +00:00 committed by Martin K. Petersen
parent 3145d2d69e
commit a7a11b6cfe
1 changed files with 14 additions and 6 deletions
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20
drivers/scsi/bfa/bfa_fcs_lport.c
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@ -1408,7 +1408,7 @@ static void bfa_fcs_lport_fdmi_rpa_response(void *fcsarg,
u32 resid_len,
struct fchs_s *rsp_fchs);
static void bfa_fcs_lport_fdmi_timeout(void *arg);
static u16 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
static int bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
u8 *pyld);
static u16 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
u8 *pyld);
@ -1887,6 +1887,8 @@ bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
bfa_fcs_lport_fdmi_build_rhba_pyld(fdmi,
(u8 *) ((struct ct_hdr_s *) pyld
+ 1));
if (attr_len < 0)
return;
bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
FC_CLASS_3, (len + attr_len), &fchs,
@ -1896,17 +1898,20 @@ bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
bfa_sm_send_event(fdmi, FDMISM_EVENT_RHBA_SENT);
}
static u16
static int
bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
{
struct bfa_fcs_lport_s *port = fdmi->ms->port;
struct bfa_fcs_fdmi_hba_attr_s hba_attr;
struct bfa_fcs_fdmi_hba_attr_s *fcs_hba_attr = &hba_attr;
struct bfa_fcs_fdmi_hba_attr_s *fcs_hba_attr;
struct fdmi_rhba_s *rhba = (struct fdmi_rhba_s *) pyld;
struct fdmi_attr_s *attr;
int len;
u8 *curr_ptr;
u16 len, count;
u16 templen;
u16 templen, count;
fcs_hba_attr = kzalloc(sizeof(*fcs_hba_attr), GFP_KERNEL);
if (!fcs_hba_attr)
return -ENOMEM;
/*
* get hba attributes
@ -2148,6 +2153,9 @@ bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
rhba->hba_attr_blk.attr_count = cpu_to_be32(count);
kfree(fcs_hba_attr);
return len;
}