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authorLinus Torvalds <torvalds@linux-foundation.org>2012-10-04 09:19:02 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-10-04 09:19:02 -0700
commitce57e981f2b996aaca2031003b3f866368307766 (patch)
tree7ab6b29e6b0013519f3418bbaf8f661e064861ba /virt
parente1cc485262846dcad931bf85ee655cbbb815bfe6 (diff)
downloadvexpress-lsk-ce57e981f2b996aaca2031003b3f866368307766.tar.gz
firmware: use 'kernel_read()' to read firmware into kernel buffer
Fengguang correctly points out that the firmware reading should not use vfs_read(), since the buffer is in kernel space. The vfs_read() just happened to work for kernel threads, but sparse warns about the incorrect address spaces, and it's definitely incorrect and could fail for other users of the firmware loading. Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'virt')
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