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Subject[PATCH 1/2] [drivers] staging/lustre: fix sparse warnings
Date
This patch fixes the following sparse warnings:

lib-lnet.h:787:47: warning: incorrect type in initializer (different address spaces)
lib-lnet.h:787:47: expected void [noderef] <asn:1>*iov_base
lib-lnet.h:787:47: got void *dest

Signed-off-by: Zahari Doychev <zahari.doychev@linux.com>
---
drivers/staging/lustre/include/linux/lnet/lib-lnet.h | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/lustre/include/linux/lnet/lib-lnet.h b/drivers/staging/lustre/include/linux/lnet/lib-lnet.h
index 7e89b3b..ec70f40 100644
--- a/drivers/staging/lustre/include/linux/lnet/lib-lnet.h
+++ b/drivers/staging/lustre/include/linux/lnet/lib-lnet.h
@@ -784,7 +784,8 @@ lnet_copy_iov2flat(int dlen, void *dest, unsigned int doffset,
unsigned int nsiov, struct iovec *siov, unsigned int soffset,
unsigned int nob)
{
- struct iovec diov = {/*.iov_base = */ dest, /*.iov_len = */ dlen};
+ struct iovec diov = {/*.iov_base = */ (void __user *)dest,
+ /*.iov_len = */ dlen};

lnet_copy_iov2iov(1, &diov, doffset,
nsiov, siov, soffset, nob);
@@ -795,7 +796,8 @@ lnet_copy_kiov2flat(int dlen, void *dest, unsigned int doffset,
unsigned int nsiov, lnet_kiov_t *skiov,
unsigned int soffset, unsigned int nob)
{
- struct iovec diov = {/* .iov_base = */ dest, /* .iov_len = */ dlen};
+ struct iovec diov = {/* .iov_base = */ (void __user *)dest,
+ /* .iov_len = */ dlen};

lnet_copy_kiov2iov(1, &diov, doffset,
nsiov, skiov, soffset, nob);
@@ -803,9 +805,10 @@ lnet_copy_kiov2flat(int dlen, void *dest, unsigned int doffset,

static inline void
lnet_copy_flat2iov(unsigned int ndiov, struct iovec *diov, unsigned int doffset,
- int slen, void *src, unsigned int soffset, unsigned int nob)
+ int slen, void *src, unsigned int soffset, unsigned int nob)
{
- struct iovec siov = {/*.iov_base = */ src, /*.iov_len = */slen};
+ struct iovec siov = {/*.iov_base = */ (void __user *)src,
+ /*.iov_len = */ slen};

lnet_copy_iov2iov(ndiov, diov, doffset,
1, &siov, soffset, nob);
@@ -816,7 +819,8 @@ lnet_copy_flat2kiov(unsigned int ndiov, lnet_kiov_t *dkiov,
unsigned int doffset, int slen, void *src,
unsigned int soffset, unsigned int nob)
{
- struct iovec siov = {/* .iov_base = */ src, /* .iov_len = */ slen};
+ struct iovec siov = {/* .iov_base = */ (void __user *)src,
+ /* .iov_len = */ slen};

lnet_copy_iov2kiov(ndiov, dkiov, doffset,
1, &siov, soffset, nob);
--
2.1.0


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