The patch titled Subject: lib/test_hmm.c: fix an error code in dmirror_allocate_chunk() has been added to the -mm tree. Its filename is mm-hmm-test-fix-an-error-code-in-dmirror_allocate_chunk.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/mm-hmm-test-fix-an-error-code-in-dmirror_allocate_chunk.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/mm-hmm-test-fix-an-error-code-in-dmirror_allocate_chunk.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Subject: lib/test_hmm.c: fix an error code in dmirror_allocate_chunk() This is supposed to return false on failure, not a negative error code. Link: https://lkml.kernel.org/r/20201010200812.GA1886610@mwanda Fixes: 170e38548b81 ("mm/hmm/test: use after free in dmirror_allocate_chunk()") Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Cc: Jerome Glisse <jglisse@xxxxxxxxxx> Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> Cc: Ralph Campbell <rcampbell@xxxxxxxxxx> Cc: Jason Gunthorpe <jgg@xxxxxxxx> Cc: Dan Williams <dan.j.williams@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- lib/test_hmm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/lib/test_hmm.c~mm-hmm-test-fix-an-error-code-in-dmirror_allocate_chunk +++ a/lib/test_hmm.c @@ -461,7 +461,7 @@ static bool dmirror_allocate_chunk(struc devmem = kzalloc(sizeof(*devmem), GFP_KERNEL); if (!devmem) - return -ENOMEM; + return false; res = request_free_mem_region(&iomem_resource, DEVMEM_CHUNK_SIZE, "hmm_dmirror"); _ Patches currently in -mm which might be from dan.carpenter@xxxxxxxxxx are mm-memremap_pages-convert-to-struct-range-fix.patch mm-hmm-test-fix-an-error-code-in-dmirror_allocate_chunk.patch