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authorVictor(Weiguo) Pan <wpan@nvidia.com>2011-08-23 14:48:30 -0700
committerRyan Wong <ryanw@nvidia.com>2011-08-24 17:14:38 -0700
commit76d0a832b0fb8c5c6446f9c86ccc743701ff704e (patch)
tree83a4453f742ef9beace749f84961532a93009347 /kernel/gcov/gcov.h
parente7e8f99ba91b49d67884ee912748ce8200c22784 (diff)
ARM: tegra: correctly access file in kernel
1. Tell the kernel the pointers from within the kernel address space are safe before accessing the file. Save/restore current process address before/after the file accessing. 2. Use macro IS_ERR to check file opening is successful or not because filp_open() returns negtive value once error happens. bug 865113 Change-Id: Idbcd400a7c93576930651a0cf95e6928e1f8db3a Reviewed-on: http://git-master/r/48788 Reviewed-by: Bhushan Rayrikar <brayrikar@nvidia.com> Tested-by: Bhushan Rayrikar <brayrikar@nvidia.com> Reviewed-by: Ryan Wong <ryanw@nvidia.com> Tested-by: Ryan Wong <ryanw@nvidia.com>
Diffstat (limited to 'kernel/gcov/gcov.h')
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