Messages in this thread Patch in this message | | | From | Anil Belur <> | Subject | [PATCH] staging: lustre: ptlrpc: lproc_ptlrpc.c - fix dereferenceing user space buffer | Date | Thu, 31 Jul 2014 13:21:02 +0530 |
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- this fixes sparse warning for directly deferencing user space buffer
drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c:652:33: warning: incorrect type in argument 2 (different address spaces) drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c:652:33: expected void const [noderef] <asn:1>*from drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c:652:33: got char const *buffer
Signed-off-by: Anil Belur <askb23@gmail.com> --- drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c b/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c index 6b9c6db..455c6c7 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c +++ b/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c @@ -628,7 +628,8 @@ out: * if the optional token is omitted, the operation is performed on both the * regular and high-priority (if the service has one) NRS head. */ -static ssize_t ptlrpc_lprocfs_nrs_seq_write(struct file *file, const char *buffer, +static ssize_t ptlrpc_lprocfs_nrs_seq_write(struct file *file, + const char __user *buffer, size_t count, loff_t *off) { struct ptlrpc_service *svc = ((struct seq_file *)file->private_data)->private; -- 1.9.1
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