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brcmfmac: 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.

In doing this, make brcmf_debugfs_add_entry() return void as no one was
even paying attention to the return value.

Cc: Arend van Spriel <arend.vanspriel@broadcom.com>
Cc: Franky Lin <franky.lin@broadcom.com>
Cc: Hante Meuleman <hante.meuleman@broadcom.com>
Cc: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Cc: Wright Feng <wright.feng@cypress.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafał Miłecki" <rafal@milecki.pl>
Cc: linux-wireless@vger.kernel.org
Cc: brcm80211-dev-list.pdl@broadcom.com
Cc: brcm80211-dev-list@cypress.com
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200429101526.GA2094124@kroah.com
This commit is contained in:
Greg Kroah-Hartman 2020-04-29 12:15:26 +02:00 committed by Kalle Valo
parent ff2af09f45
commit ea1b3bc6d5
2 changed files with 8 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c
View File

@ -47,13 +47,10 @@ struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr)
return drvr->wiphy->debugfsdir;
}
int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
void brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
int (*read_fn)(struct seq_file *seq, void *data))
{
struct dentry *e;
WARN(!drvr->wiphy->debugfsdir, "wiphy not (yet) registered\n");
e = debugfs_create_devm_seqfile(drvr->bus_if->dev, fn,
drvr->wiphy->debugfsdir, read_fn);
return PTR_ERR_OR_ZERO(e);
debugfs_create_devm_seqfile(drvr->bus_if->dev, fn,
drvr->wiphy->debugfsdir, read_fn);
}

12
drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h
View File

@ -116,8 +116,8 @@ struct brcmf_bus;
struct brcmf_pub;
#ifdef DEBUG
struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr);
int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
int (*read_fn)(struct seq_file *seq, void *data));
void brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
int (*read_fn)(struct seq_file *seq, void *data));
int brcmf_debug_create_memdump(struct brcmf_bus *bus, const void *data,
size_t len);
#else
@ -126,11 +126,9 @@ static inline struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr)
return ERR_PTR(-ENOENT);
}
static inline
int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
int (*read_fn)(struct seq_file *seq, void *data))
{
return 0;
}
void brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
int (*read_fn)(struct seq_file *seq, void *data))
{ }
static inline
int brcmf_debug_create_memdump(struct brcmf_bus *bus, const void *data,
size_t len)