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| author | Takashi Iwai <tiwai@suse.de> | 2016-02-09 23:08:37 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2016-02-09 23:08:37 +0100 |
| commit | 397da2d0ab0d1398242622d80a74df7245395c63 (patch) | |
| tree | 51e01a67c653c67108f65d063b8b9cbfacf0b1a7 /arch/x86/mm/pageattr.c | |
| parent | b8cb3750ce94d7610934465263850dcf40736bca (diff) | |
| parent | 4dff5c7b7093b19c19d3a100f8a3ad87cb7cd9e7 (diff) | |
Merge branch 'topic/core-fixes' into for-linus
Diffstat (limited to 'arch/x86/mm/pageattr.c')
| -rw-r--r-- | arch/x86/mm/pageattr.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index fc6a4c8f6e2a..2440814b0069 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -33,7 +33,7 @@ struct cpa_data { pgd_t *pgd; pgprot_t mask_set; pgprot_t mask_clr; - int numpages; + unsigned long numpages; int flags; unsigned long pfn; unsigned force_split : 1; @@ -1350,7 +1350,7 @@ static int __change_page_attr_set_clr(struct cpa_data *cpa, int checkalias) * CPA operation. Either a large page has been * preserved or a single page update happened. */ - BUG_ON(cpa->numpages > numpages); + BUG_ON(cpa->numpages > numpages || !cpa->numpages); numpages -= cpa->numpages; if (cpa->flags & (CPA_PAGES_ARRAY | CPA_ARRAY)) cpa->curpage++; |