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| author | Jason A. Donenfeld <Jason@zx2c4.com> | 2022-10-09 20:44:02 -0600 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2022-11-18 02:15:15 +0100 |
| commit | 8032bf1233a74627ce69b803608e650f3f35971c (patch) | |
| tree | 1e15cd719358130192c59b8d5a61a0c3c9fbe82c /drivers/infiniband | |
| parent | 7f576b2593a978451416424e75f69ad1e3ae4efe (diff) | |
| download | lwn-8032bf1233a74627ce69b803608e650f3f35971c.tar.gz lwn-8032bf1233a74627ce69b803608e650f3f35971c.zip | |
treewide: use get_random_u32_below() instead of deprecated function
This is a simple mechanical transformation done by:
@@
expression E;
@@
- prandom_u32_max
+ get_random_u32_below
(E)
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Darrick J. Wong <djwong@kernel.org> # for xfs
Reviewed-by: SeongJae Park <sj@kernel.org> # for damon
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> # for infiniband
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> # for arm
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # for mmc
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/core/cma.c | 2 | ||||
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/id_table.c | 4 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_ah.c | 4 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/rtrs/rtrs-clt.c | 2 |
4 files changed, 6 insertions, 6 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 26d1772179b8..dd1c703b10df 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -3807,7 +3807,7 @@ static int cma_alloc_any_port(enum rdma_ucm_port_space ps, inet_get_local_port_range(net, &low, &high); remaining = (high - low) + 1; - rover = prandom_u32_max(remaining) + low; + rover = get_random_u32_below(remaining) + low; retry: if (last_used_port != rover) { struct rdma_bind_list *bind_list; diff --git a/drivers/infiniband/hw/cxgb4/id_table.c b/drivers/infiniband/hw/cxgb4/id_table.c index 280d61466855..e2188b335e76 100644 --- a/drivers/infiniband/hw/cxgb4/id_table.c +++ b/drivers/infiniband/hw/cxgb4/id_table.c @@ -54,7 +54,7 @@ u32 c4iw_id_alloc(struct c4iw_id_table *alloc) if (obj < alloc->max) { if (alloc->flags & C4IW_ID_TABLE_F_RANDOM) - alloc->last += prandom_u32_max(RANDOM_SKIP); + alloc->last += get_random_u32_below(RANDOM_SKIP); else alloc->last = obj + 1; if (alloc->last >= alloc->max) @@ -85,7 +85,7 @@ int c4iw_id_table_alloc(struct c4iw_id_table *alloc, u32 start, u32 num, alloc->start = start; alloc->flags = flags; if (flags & C4IW_ID_TABLE_F_RANDOM) - alloc->last = prandom_u32_max(RANDOM_SKIP); + alloc->last = get_random_u32_below(RANDOM_SKIP); else alloc->last = 0; alloc->max = num; diff --git a/drivers/infiniband/hw/hns/hns_roce_ah.c b/drivers/infiniband/hw/hns/hns_roce_ah.c index 480c062dd04f..b37d2a81584d 100644 --- a/drivers/infiniband/hw/hns/hns_roce_ah.c +++ b/drivers/infiniband/hw/hns/hns_roce_ah.c @@ -41,8 +41,8 @@ static inline u16 get_ah_udp_sport(const struct rdma_ah_attr *ah_attr) u16 sport; if (!fl) - sport = prandom_u32_max(IB_ROCE_UDP_ENCAP_VALID_PORT_MAX + 1 - - IB_ROCE_UDP_ENCAP_VALID_PORT_MIN) + + sport = get_random_u32_below(IB_ROCE_UDP_ENCAP_VALID_PORT_MAX + + 1 - IB_ROCE_UDP_ENCAP_VALID_PORT_MIN) + IB_ROCE_UDP_ENCAP_VALID_PORT_MIN; else sport = rdma_flow_label_to_udp_sport(fl); diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c index 8546b8816524..ab75b690ad08 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c @@ -1517,7 +1517,7 @@ static void rtrs_clt_err_recovery_work(struct work_struct *work) rtrs_clt_stop_and_destroy_conns(clt_path); queue_delayed_work(rtrs_wq, &clt_path->reconnect_dwork, msecs_to_jiffies(delay_ms + - prandom_u32_max(RTRS_RECONNECT_SEED))); + get_random_u32_below(RTRS_RECONNECT_SEED))); } static struct rtrs_clt_path *alloc_path(struct rtrs_clt_sess *clt, |