From: Oleg Drokin <green@xxxxxxxxxxxxxx>
The buffer that lprocfs_write_frac_u64_helper is working on is
presumed to be a userspace one, so it's not suitable for use
on kernel buffers.
Signed-off-by: Oleg Drokin <green@xxxxxxxxxxxxxx>
---
drivers/staging/lustre/lustre/include/lprocfs_status.h | 2 +-
drivers/staging/lustre/lustre/obdclass/lprocfs_status.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/lustre/lustre/include/lprocfs_status.h b/drivers/staging/lustre/lustre/include/lprocfs_status.h
index 0ac8e0e..fb13094 100644
--- a/drivers/staging/lustre/lustre/include/lprocfs_status.h
+++ b/drivers/staging/lustre/lustre/include/lprocfs_status.h
@@ -608,7 +608,7 @@ int lprocfs_write_helper(const char __user *buffer, unsigned long count,
int *val);
int lprocfs_write_u64_helper(const char __user *buffer,
unsigned long count, __u64 *val);
-int lprocfs_write_frac_u64_helper(const char *buffer,
+int lprocfs_write_frac_u64_helper(const char __user *buffer,
unsigned long count,
__u64 *val, int mult);
char *lprocfs_find_named_value(const char *buffer, const char *name,
diff --git a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
index 51fe15f..b65ad93 100644
--- a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
+++ b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
@@ -1319,8 +1319,8 @@ int lprocfs_write_u64_helper(const char __user *buffer, unsigned long count,
}
EXPORT_SYMBOL(lprocfs_write_u64_helper);
-int lprocfs_write_frac_u64_helper(const char *buffer, unsigned long count,
- __u64 *val, int mult)
+int lprocfs_write_frac_u64_helper(const char __user *buffer,
+ unsigned long count, __u64 *val, int mult)
{
char kernbuf[22], *end, *pbuf;
__u64 whole, frac = 0, units;
--
2.1.0
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