Messages in this thread Patch in this message | | | Date | Mon, 16 Oct 2017 17:04:28 -0700 | From | Kees Cook <> | Subject | [PATCH] block: swim3: Convert timers to use timer_setup() |
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In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly.
Cc: Jens Axboe <axboe@kernel.dk> Cc: Johannes Thumshirn <jthumshirn@suse.de> Cc: Ingo Molnar <mingo@kernel.org> Cc: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org> --- drivers/block/swim3.c | 29 ++++++++++++++--------------- 1 file changed, 14 insertions(+), 15 deletions(-)
diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c index 9f931f8f6b4c..a299bef9bbfe 100644 --- a/drivers/block/swim3.c +++ b/drivers/block/swim3.c @@ -239,10 +239,10 @@ static unsigned short write_postamble[] = { static void seek_track(struct floppy_state *fs, int n); static void init_dma(struct dbdma_cmd *cp, int cmd, void *buf, int count); static void act(struct floppy_state *fs); -static void scan_timeout(unsigned long data); -static void seek_timeout(unsigned long data); -static void settle_timeout(unsigned long data); -static void xfer_timeout(unsigned long data); +static void scan_timeout(struct timer_list *t); +static void seek_timeout(struct timer_list *t); +static void settle_timeout(struct timer_list *t); +static void xfer_timeout(struct timer_list *t); static irqreturn_t swim3_interrupt(int irq, void *dev_id); /*static void fd_dma_interrupt(int irq, void *dev_id);*/ static int grab_drive(struct floppy_state *fs, enum swim_state state, @@ -392,13 +392,12 @@ static void do_fd_request(struct request_queue * q) } static void set_timeout(struct floppy_state *fs, int nticks, - void (*proc)(unsigned long)) + void (*proc)(struct timer_list *t)) { if (fs->timeout_pending) del_timer(&fs->timeout); fs->timeout.expires = jiffies + nticks; fs->timeout.function = proc; - fs->timeout.data = (unsigned long) fs; add_timer(&fs->timeout); fs->timeout_pending = 1; } @@ -569,9 +568,9 @@ static void act(struct floppy_state *fs) } } -static void scan_timeout(unsigned long data) +static void scan_timeout(struct timer_list *t) { - struct floppy_state *fs = (struct floppy_state *) data; + struct floppy_state *fs = from_timer(fs, t, timer); struct swim3 __iomem *sw = fs->swim3; unsigned long flags; @@ -594,9 +593,9 @@ static void scan_timeout(unsigned long data) spin_unlock_irqrestore(&swim3_lock, flags); } -static void seek_timeout(unsigned long data) +static void seek_timeout(struct timer_list *t) { - struct floppy_state *fs = (struct floppy_state *) data; + struct floppy_state *fs = from_timer(fs, t, timer); struct swim3 __iomem *sw = fs->swim3; unsigned long flags; @@ -614,9 +613,9 @@ static void seek_timeout(unsigned long data) spin_unlock_irqrestore(&swim3_lock, flags); } -static void settle_timeout(unsigned long data) +static void settle_timeout(struct timer_list *t) { - struct floppy_state *fs = (struct floppy_state *) data; + struct floppy_state *fs = from_timer(fs, t, timer); struct swim3 __iomem *sw = fs->swim3; unsigned long flags; @@ -644,9 +643,9 @@ static void settle_timeout(unsigned long data) spin_unlock_irqrestore(&swim3_lock, flags); } -static void xfer_timeout(unsigned long data) +static void xfer_timeout(struct timer_list *t) { - struct floppy_state *fs = (struct floppy_state *) data; + struct floppy_state *fs = from_timer(fs, t, timer); struct swim3 __iomem *sw = fs->swim3; struct dbdma_regs __iomem *dr = fs->dma; unsigned long flags; @@ -1182,7 +1181,7 @@ static int swim3_add_device(struct macio_dev *mdev, int index) return -EBUSY; } - init_timer(&fs->timeout); + timer_setup(&fs->timeout, NULL, 0); swim3_info("SWIM3 floppy controller %s\n", mdev->media_bay ? "in media bay" : ""); -- 2.7.4
-- Kees Cook Pixel Security
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