From 8575c3bf131c42841b66aae7acf96b7310524f56 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Wed, 17 Apr 2024 23:47:46 -0400
Subject: kernel: vm_map: Handle pager errors

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 sys/vm/vm_map.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'sys/vm')

diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c
index 19320cd..e8dc0ed 100644
--- a/sys/vm/vm_map.c
+++ b/sys/vm/vm_map.c
@@ -213,7 +213,10 @@ vm_fd_map(void *addr, vm_prot_t prot, size_t len, off_t off, int fd)
     }
 
     pg.physaddr = physmem;
-    vm_pager_get(vp->vmobj, off, len, &pg);
+
+    if (vm_pager_get(vp->vmobj, off, len, &pg) != 0)
+        return 0;
+
     return physmem;
 }
 
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