53b1a742ed
If get_user() fails when reading the new FPSCR value from userspace
in compat_vfp_get(), then garbage* will be written to the task's
FPSR and FPCR registers.
This patch prevents this by checking the return from get_user()
first.
[*] Actually, zero, due to the behaviour of get_user() on error, but
that's still not what userspace expects.
Fixes:
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.. | ||
boot | ||
configs | ||
crypto | ||
include | ||
kernel | ||
kvm | ||
lib | ||
mm | ||
net | ||
xen | ||
Kconfig | ||
Kconfig.debug | ||
Kconfig.platforms | ||
Makefile |