mips: cavium: no need to check return value of debugfs_create functions

When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[paul.burton@mips.com:
  Remove return 0 from init_debugfs() as pointed out by Aaro Koskinen.]
Signed-off-by: Paul Burton <paul.burton@mips.com>

diff --git a/arch/mips/cavium-octeon/oct_ilm.c b/arch/mips/cavium-octeon/oct_ilm.c
index 2d68a39f144307832d11999b65143ca32d4a9f9c..13f6c7716b1ec3964e2edd9e6c84bd746a5104f5 100644 (file)
--- a/arch/mips/cavium-octeon/oct_ilm.c
+++ b/arch/mips/cavium-octeon/oct_ilm.c
@@ -63,31 +63,11 @@ static int reset_statistics(void *data, u64 value)
 
 DEFINE_SIMPLE_ATTRIBUTE(reset_statistics_ops, NULL, reset_statistics, "%llu\n");
 
-static int init_debufs(void)
+static void init_debugfs(void)
 {
-       struct dentry *show_dentry;
        dir = debugfs_create_dir("oct_ilm", 0);
-       if (!dir) {
-               pr_err("oct_ilm: failed to create debugfs entry oct_ilm\n");
-               return -1;
-       }
-
-       show_dentry = debugfs_create_file("statistics", 0222, dir, NULL,
-                                         &oct_ilm_ops);
-       if (!show_dentry) {
-               pr_err("oct_ilm: failed to create debugfs entry oct_ilm/statistics\n");
-               return -1;
-       }
-
-       show_dentry = debugfs_create_file("reset", 0222, dir, NULL,
-                                         &reset_statistics_ops);
-       if (!show_dentry) {
-               pr_err("oct_ilm: failed to create debugfs entry oct_ilm/reset\n");
-               return -1;
-       }
-
-       return 0;
-
+       debugfs_create_file("statistics", 0222, dir, NULL, &oct_ilm_ops);
+       debugfs_create_file("reset", 0222, dir, NULL, &reset_statistics_ops);
 }
 
 static void init_latency_info(struct latency_info *li, int startup)
@@ -169,11 +149,7 @@ static __init int oct_ilm_module_init(void)
        int rc;
        int irq = OCTEON_IRQ_TIMER0 + TIMER_NUM;
 
-       rc = init_debufs();
-       if (rc) {
-               WARN(1, "Could not create debugfs entries");
-               return rc;
-       }
+       init_debugfs();
 
        rc = request_irq(irq, cvm_oct_ciu_timer_interrupt, IRQF_NO_THREAD,
                         "oct_ilm", 0);