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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>
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1 changed files with 0 additions and 4 deletions
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@ -2147,7 +2147,6 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
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uint16_t fcf_index, next_fcf_index;
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struct lpfc_fcf_rec *fcf_rec = NULL;
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uint16_t vlan_id;
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uint32_t seed;
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bool select_new_fcf;
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int rc;
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@ -2384,9 +2383,6 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
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phba->fcf.fcf_flag |= FCF_AVAILABLE;
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/* Setup initial running random FCF selection count */
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phba->fcf.eligible_fcf_cnt = 1;
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/* Seeding the random number generator for random selection */
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seed = (uint32_t)(0xFFFFFFFF & jiffies);
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prandom_seed(seed);
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}
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spin_unlock_irq(&phba->hbalock);
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goto read_next_fcf;
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