Messages in this thread Patch in this message | | | From | Anil Belur <> | Subject | [PATCH] staging: lustre: ldlm: ldlm_resource.c - fix dereferenceing user space buffer | Date | Thu, 31 Jul 2014 11:37:05 +0530 |
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- this fixes sparse warning for directly deferencing user space buffer
./lustre/ldlm/ldlm_resource.c:202:35: warning: incorrect type in argument 2 (different address spaces) ./lustre/ldlm/ldlm_resource.c:202:35: expected void const [noderef] <asn:1>*from ./lustre/ldlm/ldlm_resource.c:202:35: got char const *buffer
Signed-off-by: Anil Belur <askb23@gmail.com> --- drivers/staging/lustre/lustre/ldlm/ldlm_resource.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c b/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c index 91d028b..efd45e5 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c @@ -189,8 +189,9 @@ static int lprocfs_lru_size_seq_show(struct seq_file *m, void *v) return lprocfs_rd_uint(m, nr); } -static ssize_t lprocfs_lru_size_seq_write(struct file *file, const char *buffer, - size_t count, loff_t *off) +static ssize_t lprocfs_lru_size_seq_write(struct file *file, + const char __user *buffer, + size_t count, loff_t *off) { struct ldlm_namespace *ns = ((struct seq_file *)file->private_data)->private; char dummy[MAX_STRING_SIZE + 1]; -- 1.9.1
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