The branch main has been updated by markj:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=8ef2c021822f59a334e3926e8505c8a8e8a3475f

commit 8ef2c021822f59a334e3926e8505c8a8e8a3475f
Author:     Mark Johnston <ma...@freebsd.org>
AuthorDate: 2024-04-23 16:23:13 +0000
Commit:     Mark Johnston <ma...@freebsd.org>
CommitDate: 2024-04-24 12:46:41 +0000

    busdma: uma_zcreate() does not fail
    
    No functional change intended.
    
    MFC after:      1 week
---
 sys/kern/subr_busdma_bufalloc.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/sys/kern/subr_busdma_bufalloc.c b/sys/kern/subr_busdma_bufalloc.c
index 2cc47b006753..fa7191341db6 100644
--- a/sys/kern/subr_busdma_bufalloc.c
+++ b/sys/kern/subr_busdma_bufalloc.c
@@ -100,10 +100,6 @@ busdma_bufalloc_create(const char *name, bus_size_t 
minimum_alignment,
                bz->size = cursize;
                bz->umazone = uma_zcreate(bz->name, bz->size,
                    NULL, NULL, NULL, NULL, bz->size - 1, zcreate_flags);
-               if (bz->umazone == NULL) {
-                       busdma_bufalloc_destroy(ba);
-                       return (NULL);
-               }
                if (alloc_func != NULL)
                        uma_zone_set_allocf(bz->umazone, alloc_func);
                if (free_func != NULL)

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