use ~0ULL instead of -1ULL to avoid contridctory application of '-' sign
to integer literal where the desired type is unsigned.

Signed-off-by: Tyler Retzlaff <roret...@linux.microsoft.com>
---
 lib/librte_eal/common/eal_common_fbarray.c | 12 ++++++------
 lib/librte_power/rte_power_pmd_mgmt.c      |  2 +-
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/lib/librte_eal/common/eal_common_fbarray.c 
b/lib/librte_eal/common/eal_common_fbarray.c
index 592ec5859..82d271725 100644
--- a/lib/librte_eal/common/eal_common_fbarray.c
+++ b/lib/librte_eal/common/eal_common_fbarray.c
@@ -138,7 +138,7 @@ find_next_n(const struct rte_fbarray *arr, unsigned int 
start, unsigned int n,
         */
        last = MASK_LEN_TO_IDX(arr->len);
        last_mod = MASK_LEN_TO_MOD(arr->len);
-       last_msk = ~(-1ULL << last_mod);
+       last_msk = ~(~0ULL << last_mod);
 
        for (msk_idx = first; msk_idx < msk->n_masks; msk_idx++) {
                uint64_t cur_msk, lookahead_msk;
@@ -398,8 +398,8 @@ find_prev_n(const struct rte_fbarray *arr, unsigned int 
start, unsigned int n,
        first_mod = MASK_LEN_TO_MOD(start);
        /* we're going backwards, so mask must start from the top */
        ignore_msk = first_mod == MASK_ALIGN - 1 ?
-                               -1ULL : /* prevent overflow */
-                               ~(-1ULL << (first_mod + 1));
+                               ~0ULL : /* prevent overflow */
+                               ~(~0ULL << (first_mod + 1));
 
        /* go backwards, include zero */
        msk_idx = first;
@@ -513,7 +513,7 @@ find_prev_n(const struct rte_fbarray *arr, unsigned int 
start, unsigned int n,
                                 * no runs in the space we've lookbehind-scanned
                                 * as well, so skip that on next iteration.
                                 */
-                               ignore_msk = -1ULL << need;
+                               ignore_msk = ~0ULL << need;
                                msk_idx = lookbehind_idx;
                                break;
                        }
@@ -560,8 +560,8 @@ find_prev(const struct rte_fbarray *arr, unsigned int 
start, bool used)
        first_mod = MASK_LEN_TO_MOD(start);
        /* we're going backwards, so mask must start from the top */
        ignore_msk = first_mod == MASK_ALIGN - 1 ?
-                               -1ULL : /* prevent overflow */
-                               ~(-1ULL << (first_mod + 1));
+                               ~0ULL : /* prevent overflow */
+                               ~(~0ULL << (first_mod + 1));
 
        /* go backwards, include zero */
        idx = first;
diff --git a/lib/librte_power/rte_power_pmd_mgmt.c 
b/lib/librte_power/rte_power_pmd_mgmt.c
index 454ef7091..579f10e4b 100644
--- a/lib/librte_power/rte_power_pmd_mgmt.c
+++ b/lib/librte_power/rte_power_pmd_mgmt.c
@@ -111,7 +111,7 @@ clb_umwait(uint16_t port_id, uint16_t qidx, struct rte_mbuf 
**pkts __rte_unused,
                                ret = rte_eth_get_monitor_addr(port_id, qidx,
                                                &pmc);
                                if (ret == 0)
-                                       rte_power_monitor(&pmc, -1ULL);
+                                       rte_power_monitor(&pmc, ~0ULL);
                        }
                        q_conf->umwait_in_progress = false;
 
-- 
2.30.0.vfs.0.2

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