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authorDaniel Borkmann <dborkman@redhat.com>2014-09-03 12:56:20 -0400
committerChristoph Hellwig <hch@lst.de>2014-09-16 09:10:07 -0700
commita7901acc4ac0f853d9aff284ff96e4a56ff74aa8 (patch)
tree12848e7b3d1cb6e8e03e7521973ca6f94b253edd /drivers
parent0d4aec132d8ad6303981db08a52d64b0dbe59e97 (diff)
downloadlinux-a7901acc4ac0f853d9aff284ff96e4a56ff74aa8.tar.bz2
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 <dborkman@redhat.com> Reviewed-by: James Smart <james.smart@emulex.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/lpfc/lpfc_hbadisc.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 667d124e3608..859fffa739d8 100644
--- 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;