Revert "alpha: fix broken network checksum"

This reverts commit b93b90ff7c50288d602108ae1a09673df3f799a8, which
was commit 0ef38d70d4118b2ce1a538d14357be5ff9dc2bbd upstream.
It was intended to fix a regression which never occurred in 3.2.

diff --git a/arch/alpha/lib/csum_partial_copy.c b/arch/alpha/lib/csum_partial_copy.c
index 1d2ef5a3fc84c838e7d4e127759248de06ba0852..40736da9bea87aef7d5e43e4af8672d46a58ef9e 100644 (file)
--- a/arch/alpha/lib/csum_partial_copy.c
+++ b/arch/alpha/lib/csum_partial_copy.c
@@ -373,11 +373,6 @@ csum_partial_copy_from_user(const void __user *src, void *dst, int len,
 __wsum
 csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum)
 {
-       __wsum checksum;
-       mm_segment_t oldfs = get_fs();
-       set_fs(KERNEL_DS);
-       checksum = csum_partial_copy_from_user((__force const void __user *)src,
-                                               dst, len, sum, NULL);
-       set_fs(oldfs);
-       return checksum;
+       return csum_partial_copy_from_user((__force const void __user *)src,
+                       dst, len, sum, NULL);
 }