Reported by coccinelle:
tree: git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next.git master
head: 6a5d088a923854569e20eac4f3f569926d5911ec
commit: b7cde47009640b88cb3629ee7078a43bc2642459 [18/80] wil6210: convert debugfs to the table mode
coccinelle warnings: (new ones prefixed by >>)
>> drivers/net/wireless/ath/wil6210/debugfs.c:327:17-24: ERROR: PTR_ERR applied after initialization to constant on line 304
vim +327 drivers/net/wireless/ath/wil6210/debugfs.c
298 struct dentry *dbg, void *base,
299 const struct dbg_off * const tbl)
300 {
301 int i;
302
303 for (i = 0; tbl[i].name; i++) {
> 304 struct dentry *f = NULL;
305
306 switch (tbl[i].type) {
307 case doff_u32:
308 f = debugfs_create_u32(tbl[i].name, tbl[i].mode, dbg,
309 base + tbl[i].off);
310 break;
311 case doff_x32:
312 f = debugfs_create_x32(tbl[i].name, tbl[i].mode, dbg,
313 base + tbl[i].off);
314 break;
315 case doff_ulong:
316 f = wil_debugfs_create_ulong(tbl[i].name, tbl[i].mode,
317 dbg, base + tbl[i].off);
318 break;
319 case doff_io32:
320 f = wil_debugfs_create_iomem_x32(tbl[i].name,
321 tbl[i].mode, dbg,
322 base + tbl[i].off);
323 break;
324 }
325 if (IS_ERR_OR_NULL(f))
326 wil_err(wil, "Create file \"%s\": err %ld\n",
> 327 tbl[i].name, PTR_ERR(f));
328 }
329 }
330
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/wil6210/debugfs.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c
index 21dc437..eb2204e 100644
--- a/drivers/net/wireless/ath/wil6210/debugfs.c
+++ b/drivers/net/wireless/ath/wil6210/debugfs.c
@@ -308,7 +308,7 @@ static void wil6210_debugfs_init_offset(struct wil6210_priv *wil,
int i;
for (i = 0; tbl[i].name; i++) {
- struct dentry *f = NULL;
+ struct dentry *f;
switch (tbl[i].type) {
case doff_u32:
@@ -328,6 +328,8 @@ static void wil6210_debugfs_init_offset(struct wil6210_priv *wil,
tbl[i].mode, dbg,
base + tbl[i].off);
break;
+ default:
+ f = ERR_PTR(-EINVAL);
}
if (IS_ERR_OR_NULL(f))
wil_err(wil, "Create file \"%s\": err %ld\n",
--
1.9.1
--
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