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authorStephan Mueller <smueller@chronox.de>2017-08-10 08:06:18 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2017-08-22 14:45:01 +0800
commitdea3eb8b452e36cf2dd572b0a797915ccf452ae6 (patch)
tree8d4fe3412cd76e3bcd7959aa635e71ab80b622f8 /Documentation/md
parent8861249c740fc4af9ddc5aee321eafefb960d7c6 (diff)
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lib/mpi: kunmap after finishing accessing buffer
Using sg_miter_start and sg_miter_next, the buffer of an SG is kmap'ed to *buff. The current code calls sg_miter_stop (and thus kunmap) on the SG entry before the last access of *buff. The patch moves the sg_miter_stop call after the last access to *buff to ensure that the memory pointed to by *buff is still mapped. Fixes: 4816c9406430 ("lib/mpi: Fix SG miter leak") Cc: <stable@vger.kernel.org> Signed-off-by: Stephan Mueller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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