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authorAkinobu Mita <akinobu.mita@gmail.com>2011-07-19 19:49:25 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-20 09:09:30 +0400
commitf7b88631a89757d70192044c9d9f2e8d2fc02f2c (patch)
tree51da597d7625d2428701be146f233cee047425d9 /Documentation/filesystems/vfat.txt
parente501f29c727dea74e2124c584cbab5fa805d489b (diff)
downloadlinux-f7b88631a89757d70192044c9d9f2e8d2fc02f2c.tar.xz
fs/libfs.c: fix simple_attr_write() on 32bit machines
Assume that /sys/kernel/debug/dummy64 is debugfs file created by debugfs_create_x64(). # cd /sys/kernel/debug # echo 0x1234567812345678 > dummy64 # cat dummy64 0x0000000012345678 # echo 0x80000000 > dummy64 # cat dummy64 0xffffffff80000000 A value larger than INT_MAX cannot be written to the debugfs file created by debugfs_create_u64 or debugfs_create_x64 on 32bit machine. Because simple_attr_write() uses simple_strtol() for the conversion. To fix this, use simple_strtoll() instead. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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