lpfc: do not feed jiffies as random seed from lpfc driver

In prandom we have already reseeding mechanisms that trigger
periodically from a much better entropy source than just
feeding in jiffies through lpfc_mbx_cmpl_fcf_scan_read_fcf_rec()
[what a function name 8-)]. Therefore, just remove this.

Signed-off-by: Daniel Borkmann <[email protected]>
Reviewed-by: James Smart <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>

diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 667d124e3608366a0da3fcd6e46c6f8fded0fb87..859fffa739d8f29ed788f4dc425cfe85ee9bd215 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -2147,7 +2147,6 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
        uint16_t fcf_index, next_fcf_index;
        struct lpfc_fcf_rec *fcf_rec = NULL;
        uint16_t vlan_id;
-       uint32_t seed;
        bool select_new_fcf;
        int rc;
 
@@ -2384,9 +2383,6 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
                phba->fcf.fcf_flag |= FCF_AVAILABLE;
                /* Setup initial running random FCF selection count */
                phba->fcf.eligible_fcf_cnt = 1;
-               /* Seeding the random number generator for random selection */
-               seed = (uint32_t)(0xFFFFFFFF & jiffies);
-               prandom_seed(seed);
        }
        spin_unlock_irq(&phba->hbalock);
        goto read_next_fcf;