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

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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>
This commit is contained in:
Greg Kroah-Hartman 2019-01-22 15:57:38 +01:00 committed by Paul Burton
parent f263f2a2c6
commit 9afbb71320
No known key found for this signature in database
GPG Key ID: 3EA79FACB57500DD
1 changed files with 4 additions and 28 deletions
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32
arch/mips/cavium-octeon/oct_ilm.c
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@ -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);