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(parent: a2a7cc3) | patch
io_uring: fix invalid error check after malloc
authorPavel Begunkov <asml.silence@gmail.com>
Sun, 25 Apr 2021 23:16:31 +0000 (00:16 +0100)
committerJens Axboe <axboe@kernel.dk>
Mon, 26 Apr 2021 12:50:35 +0000 (06:50 -0600)
commita2b4198cab7e3edcb78fce77e0e8aca130435403
tree4848641c12a0c48a966f1efe6072e3936aade41atree
parenta2a7cc32a5e8cd983912f25a242820107e5613dccommit | diff
io_uring: fix invalid error check after malloc

Now we allocate io_mapped_ubuf instead of bvec, so we clearly have to
check its address after allocation.

Fixes: 41edf1a5ec967 ("io_uring: keep table of pointers to ubufs")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/d28eb1bc4384284f69dbce35b9f70c115ff6176f.1619392565.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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