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lib/test_hmm.c: fix an error code in dmirror_allocate_chunk()

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This is supposed to return false on failure, not a negative error code.

Fixes: 170e38548b81 ("mm/hmm/test: use after free in dmirror_allocate_chunk()")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Dan Williams <dan.j.williams@intel.com>
Link: https://lkml.kernel.org/r/20201010200812.GA1886610@mwanda
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Dan Carpenter 2020-10-15 20:11:34 -07:00 • committed by Linus Torvalds
parent e130816164
commit f3c9d0a3fe
1 changed files with 1 additions and 1 deletions
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2
lib/test_hmm.c
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@ -461,7 +461,7 @@ static bool dmirror_allocate_chunk(struct dmirror_device *mdevice,
devmem = kzalloc(sizeof(*devmem), GFP_KERNEL); devmem = kzalloc(sizeof(*devmem), GFP_KERNEL);
if (!devmem) if (!devmem)
return -ENOMEM; return false;
res = request_free_mem_region(&iomem_resource, DEVMEM_CHUNK_SIZE, res = request_free_mem_region(&iomem_resource, DEVMEM_CHUNK_SIZE,
"hmm_dmirror"); "hmm_dmirror");