From: Anil Belur Date: Thu, 31 Jul 2014 07:51:02 +0000 (+0530) Subject: staging: lustre: ptlrpc: lproc_ptlrpc.c - fix dereferenceing user space buffer X-Git-Tag: firefly_0821_release~176^2~3491^2~18 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=29dd4f9be63befafbedeb816f6954148f29592bf;p=firefly-linux-kernel-4.4.55.git staging: lustre: ptlrpc: lproc_ptlrpc.c - fix dereferenceing user space buffer - 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] *from drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c:652:33: got char const *buffer Signed-off-by: Anil Belur Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c b/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c index 927921541851..bc220308e7d7 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;