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authorKees Cook <keescook@chromium.org>2017-10-10 02:10:32 +0200
committerThomas Gleixner <tglx@linutronix.de>2017-10-17 17:37:36 +0200
commit3c557df67257c114401f18ee412f0b74091c3c6f (patch)
tree7822ebb9e209218df8221f58b60dc6f34232b556
parenttime: Use do_settimeofday64() internally (diff)
downloadlinux-3c557df67257c114401f18ee412f0b74091c3c6f.tar.xz
linux-3c557df67257c114401f18ee412f0b74091c3c6f.zip
timer: Remove meaningless .data/.function assignments
Several timer users needlessly reset their .function/.data fields during their timer callback, but nothing else changes them. Some users do not use their .data field at all. Each instance is removed here. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> # for staging Acked-by: Krzysztof Halasa <khc@pm.waw.pl> # for wan/hdlc* Acked-by: Jens Axboe <axboe@kernel.dk> # for amiflop Cc: devel@driverdev.osuosl.org Cc: netdev@vger.kernel.org Cc: linux-wireless@vger.kernel.org Cc: Jens Axboe <axboe@fb.com> Cc: Ganesh Krishna <ganesh.krishna@microchip.com> Cc: Aditya Shankar <aditya.shankar@microchip.com> Link: https://lkml.kernel.org/r/20171010001032.GA119829@beast
-rw-r--r--drivers/block/amiflop.c3
-rw-r--r--drivers/net/wan/hdlc_cisco.c2
-rw-r--r--drivers/net/wan/hdlc_fr.c2
-rw-r--r--drivers/staging/wilc1000/wilc_wfi_cfgoperations.c4
4 files changed, 2 insertions, 9 deletions
diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c
index 49908c74bfcb..4e3fb9f104af 100644
--- a/drivers/block/amiflop.c
+++ b/drivers/block/amiflop.c
@@ -323,7 +323,7 @@ static void fd_deselect (int drive)
}
-static void motor_on_callback(unsigned long nr)
+static void motor_on_callback(unsigned long ignored)
{
if (!(ciaa.pra & DSKRDY) || --on_attempts == 0) {
complete_all(&motor_on_completion);
@@ -344,7 +344,6 @@ static int fd_motor_on(int nr)
fd_select(nr);
reinit_completion(&motor_on_completion);
- motor_on_timer.data = nr;
mod_timer(&motor_on_timer, jiffies + HZ/2);
on_attempts = 10;
diff --git a/drivers/net/wan/hdlc_cisco.c b/drivers/net/wan/hdlc_cisco.c
index a408abc25512..f4b0ab34f048 100644
--- a/drivers/net/wan/hdlc_cisco.c
+++ b/drivers/net/wan/hdlc_cisco.c
@@ -276,8 +276,6 @@ static void cisco_timer(unsigned long arg)
spin_unlock(&st->lock);
st->timer.expires = jiffies + st->settings.interval * HZ;
- st->timer.function = cisco_timer;
- st->timer.data = arg;
add_timer(&st->timer);
}
diff --git a/drivers/net/wan/hdlc_fr.c b/drivers/net/wan/hdlc_fr.c
index 78596e42a3f3..07f265fa2826 100644
--- a/drivers/net/wan/hdlc_fr.c
+++ b/drivers/net/wan/hdlc_fr.c
@@ -644,8 +644,6 @@ static void fr_timer(unsigned long arg)
state(hdlc)->settings.t391 * HZ;
}
- state(hdlc)->timer.function = fr_timer;
- state(hdlc)->timer.data = arg;
add_timer(&state(hdlc)->timer);
}
diff --git a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
index ac5aaafa461c..60f088babf27 100644
--- a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
+++ b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
@@ -266,7 +266,7 @@ static void update_scan_time(void)
last_scanned_shadow[i].time_scan = jiffies;
}
-static void remove_network_from_shadow(unsigned long arg)
+static void remove_network_from_shadow(unsigned long unused)
{
unsigned long now = jiffies;
int i, j;
@@ -287,7 +287,6 @@ static void remove_network_from_shadow(unsigned long arg)
}
if (last_scanned_cnt != 0) {
- hAgingTimer.data = arg;
mod_timer(&hAgingTimer, jiffies + msecs_to_jiffies(AGING_TIME));
}
}
@@ -304,7 +303,6 @@ static int is_network_in_shadow(struct network_info *pstrNetworkInfo,
int i;
if (last_scanned_cnt == 0) {
- hAgingTimer.data = (unsigned long)user_void;
mod_timer(&hAgingTimer, jiffies + msecs_to_jiffies(AGING_TIME));
state = -1;
} else {