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drivers/isdn/hardware/mISDN: move a dereference below a NULL test
In each case, if the NULL test is necessary, then the dereference should be moved below the NULL test. The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @@ type T; expression E; identifier i,fld; statement S; @@ - T i = E->fld; + T i; ... when != E when != i if (E == NULL) S + i = E->fld; // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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1 changed files with 2 additions and 1 deletions
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@ -3615,7 +3615,7 @@ hfcm_bctrl(struct mISDNchannel *ch, u_int cmd, void *arg)
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static void
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static void
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ph_state_change(struct dchannel *dch)
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ph_state_change(struct dchannel *dch)
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{
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{
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struct hfc_multi *hc = dch->hw;
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struct hfc_multi *hc;
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int ch, i;
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int ch, i;
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if (!dch) {
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if (!dch) {
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@ -3623,6 +3623,7 @@ ph_state_change(struct dchannel *dch)
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__func__);
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__func__);
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return;
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return;
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}
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}
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hc = dch->hw;
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ch = dch->slot;
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ch = dch->slot;
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if (hc->type == 1) {
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if (hc->type == 1) {
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