diff options
Diffstat (limited to 'arch/um/kernel/trap.c')
-rw-r--r-- | arch/um/kernel/trap.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c index abab90c3803f..3850d53f79fd 100644 --- a/arch/um/kernel/trap.c +++ b/arch/um/kernel/trap.c | |||
@@ -76,23 +76,24 @@ good_area: | |||
76 | goto out; | 76 | goto out; |
77 | 77 | ||
78 | do { | 78 | do { |
79 | int fault; | ||
79 | survive: | 80 | survive: |
80 | switch (handle_mm_fault(mm, vma, address, is_write)){ | 81 | fault = handle_mm_fault(mm, vma, address, is_write); |
81 | case VM_FAULT_MINOR: | 82 | if (unlikely(fault & VM_FAULT_ERROR)) { |
82 | current->min_flt++; | 83 | if (fault & VM_FAULT_OOM) { |
83 | break; | 84 | err = -ENOMEM; |
84 | case VM_FAULT_MAJOR: | 85 | goto out_of_memory; |
85 | current->maj_flt++; | 86 | } else if (fault & VM_FAULT_SIGBUS) { |
86 | break; | 87 | err = -EACCES; |
87 | case VM_FAULT_SIGBUS: | 88 | goto out; |
88 | err = -EACCES; | 89 | } |
89 | goto out; | ||
90 | case VM_FAULT_OOM: | ||
91 | err = -ENOMEM; | ||
92 | goto out_of_memory; | ||
93 | default: | ||
94 | BUG(); | 90 | BUG(); |
95 | } | 91 | } |
92 | if (fault & VM_FAULT_MAJOR) | ||
93 | current->maj_flt++; | ||
94 | else | ||
95 | current->min_flt++; | ||
96 | |||
96 | pgd = pgd_offset(mm, address); | 97 | pgd = pgd_offset(mm, address); |
97 | pud = pud_offset(pgd, address); | 98 | pud = pud_offset(pgd, address); |
98 | pmd = pmd_offset(pud, address); | 99 | pmd = pmd_offset(pud, address); |