[PATCH] kfree cleanup: drivers/isdn
This is the drivers/isdn/ part of the big kfree cleanup patch. Remove pointless checks for NULL prior to calling kfree() in drivers/isdn/. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Acked-by: Karsten Keil <kkeil@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
这个提交包含在:
@@ -855,14 +855,10 @@ close_tigerstate(struct BCState *bcs)
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{
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mode_tiger(bcs, 0, bcs->channel);
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if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) {
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if (bcs->hw.tiger.rcvbuf) {
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kfree(bcs->hw.tiger.rcvbuf);
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bcs->hw.tiger.rcvbuf = NULL;
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}
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if (bcs->hw.tiger.sendbuf) {
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kfree(bcs->hw.tiger.sendbuf);
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bcs->hw.tiger.sendbuf = NULL;
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}
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kfree(bcs->hw.tiger.rcvbuf);
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bcs->hw.tiger.rcvbuf = NULL;
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kfree(bcs->hw.tiger.sendbuf);
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bcs->hw.tiger.sendbuf = NULL;
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skb_queue_purge(&bcs->rqueue);
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skb_queue_purge(&bcs->squeue);
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if (bcs->tx_skb) {
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@@ -967,20 +963,12 @@ inittiger(struct IsdnCardState *cs)
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static void
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releasetiger(struct IsdnCardState *cs)
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{
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if (cs->bcs[0].hw.tiger.send) {
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kfree(cs->bcs[0].hw.tiger.send);
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cs->bcs[0].hw.tiger.send = NULL;
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}
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if (cs->bcs[1].hw.tiger.send) {
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cs->bcs[1].hw.tiger.send = NULL;
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}
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if (cs->bcs[0].hw.tiger.rec) {
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kfree(cs->bcs[0].hw.tiger.rec);
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cs->bcs[0].hw.tiger.rec = NULL;
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}
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if (cs->bcs[1].hw.tiger.rec) {
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cs->bcs[1].hw.tiger.rec = NULL;
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}
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kfree(cs->bcs[0].hw.tiger.send);
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cs->bcs[0].hw.tiger.send = NULL;
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cs->bcs[1].hw.tiger.send = NULL;
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kfree(cs->bcs[0].hw.tiger.rec);
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cs->bcs[0].hw.tiger.rec = NULL;
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cs->bcs[1].hw.tiger.rec = NULL;
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}
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void
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