From bc882b1880b94d3731b462d3a213885073b350ed Mon Sep 17 00:00:00 2001 From: Tilman Schmidt Date: Mon, 21 Jan 2013 11:57:21 +0000 Subject: [PATCH] isdn/gigaset: beautify common.c Rearrange the gigaset_freecs() function to make it more readable, and adapt gigaset_initcs() accordingly. Signed-off-by: Tilman Schmidt Signed-off-by: David S. Miller --- drivers/isdn/gigaset/common.c | 31 +++++++++---------------------- 1 file changed, 9 insertions(+), 22 deletions(-) diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c index 6849a11a1b24..7c7814497e3e 100644 --- a/drivers/isdn/gigaset/common.c +++ b/drivers/isdn/gigaset/common.c @@ -467,11 +467,6 @@ void gigaset_freecs(struct cardstate *cs) mutex_lock(&cs->mutex); - if (!cs->bcs) - goto f_cs; - if (!cs->inbuf) - goto f_bcs; - spin_lock_irqsave(&cs->lock, flags); cs->running = 0; spin_unlock_irqrestore(&cs->lock, flags); /* event handler and timer are @@ -507,17 +502,16 @@ void gigaset_freecs(struct cardstate *cs) gig_dbg(DEBUG_INIT, "clearing at_state"); clear_at_state(&cs->at_state); dealloc_temp_at_states(cs); + clear_events(cs); tty_port_destroy(&cs->port); /* fall through */ case 0: /* error in basic setup */ - clear_events(cs); gig_dbg(DEBUG_INIT, "freeing inbuf"); kfree(cs->inbuf); + kfree(cs->bcs); } -f_bcs: gig_dbg(DEBUG_INIT, "freeing bcs[]"); - kfree(cs->bcs); -f_cs: gig_dbg(DEBUG_INIT, "freeing cs"); + mutex_unlock(&cs->mutex); free_cs(cs); } @@ -687,19 +681,6 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels, return NULL; } - gig_dbg(DEBUG_INIT, "allocating bcs[0..%d]", channels - 1); - cs->bcs = kmalloc(channels * sizeof(struct bc_state), GFP_KERNEL); - if (!cs->bcs) { - pr_err("out of memory\n"); - goto error; - } - gig_dbg(DEBUG_INIT, "allocating inbuf"); - cs->inbuf = kmalloc(sizeof(struct inbuf_t), GFP_KERNEL); - if (!cs->inbuf) { - pr_err("out of memory\n"); - goto error; - } - cs->cs_init = 0; cs->channels = channels; cs->onechannel = onechannel; @@ -729,6 +710,12 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels, cs->mode = M_UNKNOWN; cs->mstate = MS_UNINITIALIZED; + cs->bcs = kmalloc(channels * sizeof(struct bc_state), GFP_KERNEL); + cs->inbuf = kmalloc(sizeof(struct inbuf_t), GFP_KERNEL); + if (!cs->bcs || !cs->inbuf) { + pr_err("out of memory\n"); + goto error; + } ++cs->cs_init; gig_dbg(DEBUG_INIT, "setting up at_state"); -- 2.20.1