staging: lustre: Remove unnecessary cast on void pointer

The following Coccinelle script was used to detect this:
@r@
expression x;
void* e;
type T;
identifier f;
@@
(
  *((T *)e)
|
  ((T *)x)[...]
|
  ((T*)x)->f
|
- (T*)
  e
)
Signed-off-by: simran singhal <singhalsimran0@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Reviewed-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/lmv/lmv_obd.c

@@ -640,7 +640,7 @@ static int lmv_fid2path(struct obd_export *exp, int len, void *karg,
 	int			remote_gf_size = 0;
 	int			rc;
 
-	gf = (struct getinfo_fid2path *)karg;
+	gf = karg;
 	tgt = lmv_find_target(lmv, &gf->gf_fid);
 	if (IS_ERR(tgt))
 		return PTR_ERR(tgt);
@@ -657,7 +657,7 @@ static int lmv_fid2path(struct obd_export *exp, int len, void *karg,
 		struct getinfo_fid2path *ori_gf;
 		char *ptr;
 
-		ori_gf = (struct getinfo_fid2path *)karg;
+		ori_gf = karg;
 		if (strlen(ori_gf->gf_path) +
 		    strlen(gf->gf_path) > ori_gf->gf_pathlen) {
 			rc = -EOVERFLOW;