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authorMiles Bader <miles@gnu.org>1996-08-29 20:53:43 +0000
committerMiles Bader <miles@gnu.org>1996-08-29 20:53:43 +0000
commit184bbe142aa0cfe33957d1fd3760a9087d2d0ac6 (patch)
treeeb59dda576a4342302cc6dd4aa4de7d9415d40b9 /ext2fs/ext2fs.c
parent22e0d8473f89e19852d2b30d16347703f3b8617a (diff)
(get_page_buf): Return 0 if we can't allocate.
Diffstat (limited to 'ext2fs/ext2fs.c')
-rw-r--r--ext2fs/ext2fs.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/ext2fs/ext2fs.c b/ext2fs/ext2fs.c
index f3e61873..ea0dfe7d 100644
--- a/ext2fs/ext2fs.c
+++ b/ext2fs/ext2fs.c
@@ -215,8 +215,11 @@ vm_address_t get_page_buf ()
buf = free_page_bufs;
if (buf == 0)
{
+ error_t err;
spin_unlock (&free_page_bufs_lock);
- vm_allocate (mach_task_self (), &buf, vm_page_size, 1);
+ err = vm_allocate (mach_task_self (), &buf, vm_page_size, 1);
+ if (err)
+ buf = 0;
}
else
{