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r348879 introduced a wrong-way comparison that broke mmap.

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This change rights that comparison.

Reported by: pho
Approved by: markj (mentor)
MFC after: 3 days
Differential Revision: https://reviews.freebsd.org/D20595
This commit is contained in:
Doug Moore 2019-06-10 22:06:40 +00:00
parent 1251a82da6
commit f8c8b2e8a0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=348883
1 changed files with 1 additions and 1 deletions
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sys/vm/vm_mmap.c
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@ -259,7 +259,7 @@ kern_mmap(struct thread *td, uintptr_t addr0, size_t len, int prot, int flags,
size = len + pageoff; /* low end... */
size = round_page(size); /* hi end */
/* Check for rounding up to zero. */
if (len < size)
if (len > size)
return (ENOMEM);
/* Ensure alignment is at least a page and fits in a pointer. */