diff options
| -rw-r--r-- | lib/lmb.c | 26 | ||||
| -rw-r--r-- | test/lib/lmb.c | 2 |
2 files changed, 14 insertions, 14 deletions
diff --git a/lib/lmb.c b/lib/lmb.c index b03237bc06c..a695edf70df 100644 --- a/lib/lmb.c +++ b/lib/lmb.c @@ -183,8 +183,10 @@ static long lmb_resize_regions(struct alist *lmb_rgn_lst, * the function might resize an already existing region or coalesce two * adjacent regions. * - * - * Returns: 0 if the region addition successful, -1 on failure + * Return: + * * %0 - Added successfully, or it's already added (only if LMB_NONE) + * * %-EEXIST - The region is already added, and flags != LMB_NONE + * * %-1 - Failure */ static long lmb_add_region_flags(struct alist *lmb_rgn_lst, phys_addr_t base, phys_size_t size, enum lmb_flags flags) @@ -217,17 +219,15 @@ static long lmb_add_region_flags(struct alist *lmb_rgn_lst, phys_addr_t base, coalesced++; break; } else if (lmb_addrs_overlap(base, size, rgnbase, rgnsize)) { - if (flags == LMB_NONE) { - ret = lmb_resize_regions(lmb_rgn_lst, i, base, - size); - if (ret < 0) - return -1; + if (flags != LMB_NONE) + return -EEXIST; - coalesced++; - break; - } else { + ret = lmb_resize_regions(lmb_rgn_lst, i, base, size); + if (ret < 0) return -1; - } + + coalesced++; + break; } } @@ -667,7 +667,7 @@ long lmb_add(phys_addr_t base, phys_size_t size) * * Free up a region of memory. * - * Return: 0 if successful, -1 on failure + * Return: 0 if successful, negative error code on failure */ long lmb_free_flags(phys_addr_t base, phys_size_t size, uint flags) @@ -818,7 +818,7 @@ static phys_addr_t _lmb_alloc_addr(phys_addr_t base, phys_size_t size, lmb_memory[rgn].size, base + size - 1, 1)) { /* ok, reserve the memory */ - if (lmb_reserve_flags(base, size, flags) >= 0) + if (!lmb_reserve_flags(base, size, flags)) return base; } } diff --git a/test/lib/lmb.c b/test/lib/lmb.c index 0bd29e2a4fe..48c3c966f8f 100644 --- a/test/lib/lmb.c +++ b/test/lib/lmb.c @@ -754,7 +754,7 @@ static int lib_test_lmb_flags(struct unit_test_state *uts) /* reserve again, same flag */ ret = lmb_reserve_flags(0x40010000, 0x10000, LMB_NOMAP); - ut_asserteq(ret, -1L); + ut_asserteq(ret, -EEXIST); ASSERT_LMB(mem_lst, used_lst, ram, ram_size, 1, 0x40010000, 0x10000, 0, 0, 0, 0); |