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(parent: cc44c17) | patch
csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum
authorAl Viro <viro@zeniv.linux.org.uk>
Sun, 12 Jul 2020 03:51:04 +0000 (23:51 -0400)
committerAl Viro <viro@zeniv.linux.org.uk>
Thu, 20 Aug 2020 19:45:15 +0000 (15:45 -0400)
commit99a2c96d52d312b11a943372964226fa134de3b1
treea3d63171689e7c7eaaeb5f617cd047f6743dc0e3tree | snapshot
parentcc44c17baf7f3f833d36b2f2a1edb1cc0b6f2cc4commit | diff
csum_and_copy_..._user(): pass 0xffffffff instead of 0 as initial sum

Preparation for the change of calling conventions; right now all
callers pass 0 as initial sum.  Passing 0xffffffff instead yields
the values comparable mod 0xffff and guarantees that 0 will not
be returned on success.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
lib/iov_iter.c diff | blob | history
Domain: System / Kernel;