Wrap the checksumming code in GUAP locks and unlocks. Signed-off-by: Russell Currey <rus...@russell.cc> --- arch/powerpc/lib/checksum_wrappers.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/arch/powerpc/lib/checksum_wrappers.c b/arch/powerpc/lib/checksum_wrappers.c index a0cb63fb76a1..c67db0a6e18b 100644 --- a/arch/powerpc/lib/checksum_wrappers.c +++ b/arch/powerpc/lib/checksum_wrappers.c @@ -28,6 +28,7 @@ __wsum csum_and_copy_from_user(const void __user *src, void *dst, { unsigned int csum; + unlock_user_access(); might_sleep(); *err_ptr = 0; @@ -60,6 +61,7 @@ __wsum csum_and_copy_from_user(const void __user *src, void *dst, } out: + lock_user_access(); return (__force __wsum)csum; } EXPORT_SYMBOL(csum_and_copy_from_user); @@ -69,6 +71,7 @@ __wsum csum_and_copy_to_user(const void *src, void __user *dst, int len, { unsigned int csum; + unlock_user_access(); might_sleep(); *err_ptr = 0; @@ -97,6 +100,7 @@ __wsum csum_and_copy_to_user(const void *src, void __user *dst, int len, } out: + lock_user_access(); return (__force __wsum)csum; } EXPORT_SYMBOL(csum_and_copy_to_user); -- 2.19.1