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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-21 19:13:00 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-21 19:13:00 -0700 |
| commit | dcd4693cf47801b7d988ea897519de90dfd25d17 (patch) | |
| tree | 2bbbe4aa9f367dfce81c014a740a8e6a0b604309 /arch/powerpc/mm/copro_fault.c | |
| parent | a23b27ae122fdcbc7628cd31fcffafec1e09189a (diff) | |
| parent | 78914ff0843623ee6dbeae92fa0bb8761828684e (diff) | |
| download | linux-dcd4693cf47801b7d988ea897519de90dfd25d17.tar.gz linux-dcd4693cf47801b7d988ea897519de90dfd25d17.tar.bz2 linux-dcd4693cf47801b7d988ea897519de90dfd25d17.zip | |
Merge tag 'powerpc-4.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Fixes marked for stable:
- Prevent unlikely crash in copro_calculate_slb() (Frederic Barrat)
- cxl: Prevent adapter reset if an active context exists (Vaibhav Jain)
Fixes for code merged this cycle:
- Fix boot on systems with uncompressed kernel image (Heiner Kallweit)
- Drop dump_numa_memory_topology() (Michael Ellerman)
- Fix numa topology console print (Aneesh Kumar K.V)
- Ignore the pkey system calls for now (Stephen Rothwell)"
* tag 'powerpc-4.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc: Ignore the pkey system calls for now
powerpc: Fix numa topology console print
powerpc/mm: Drop dump_numa_memory_topology()
cxl: Prevent adapter reset if an active context exists
powerpc/boot: Fix boot on systems with uncompressed kernel image
powerpc/mm: Prevent unlikely crash in copro_calculate_slb()
Diffstat (limited to 'arch/powerpc/mm/copro_fault.c')
| -rw-r--r-- | arch/powerpc/mm/copro_fault.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/mm/copro_fault.c b/arch/powerpc/mm/copro_fault.c index bb0354222b11..362954f98029 100644 --- a/arch/powerpc/mm/copro_fault.c +++ b/arch/powerpc/mm/copro_fault.c @@ -106,6 +106,8 @@ int copro_calculate_slb(struct mm_struct *mm, u64 ea, struct copro_slb *slb) switch (REGION_ID(ea)) { case USER_REGION_ID: pr_devel("%s: 0x%llx -- USER_REGION_ID\n", __func__, ea); + if (mm == NULL) + return 1; psize = get_slice_psize(mm, ea); ssize = user_segment_size(ea); vsid = get_vsid(mm->context.id, ea, ssize); |