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net: caif: fix the value of size argument of snprintf

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Because the function snprintf write at most size bytes(including the
null byte).So the value of the argument size need not to minus one.

Signed-off-by: swkhack <swkhack@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
swkhack 2019-05-17 15:59:22 +08:00 committed by David S. Miller
parent 510e2ceda0
commit 34dcf6a190
5 changed files with 5 additions and 6 deletions
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2
net/caif/cfdbgl.c
View File

@ -26,7 +26,7 @@ struct cflayer *cfdbgl_create(u8 channel_id, struct dev_info *dev_info)
cfsrvl_init(dbg, channel_id, dev_info, false);
dbg->layer.receive = cfdbgl_receive;
dbg->layer.transmit = cfdbgl_transmit;
snprintf(dbg->layer.name, CAIF_LAYER_NAME_SZ - 1, "dbg%d", channel_id);
snprintf(dbg->layer.name, CAIF_LAYER_NAME_SZ, "dbg%d", channel_id);
return &dbg->layer;
}

3
net/caif/cfdgml.c
View File

@ -33,8 +33,7 @@ struct cflayer *cfdgml_create(u8 channel_id, struct dev_info *dev_info)
cfsrvl_init(dgm, channel_id, dev_info, true);
dgm->layer.receive = cfdgml_receive;
dgm->layer.transmit = cfdgml_transmit;
snprintf(dgm->layer.name, CAIF_LAYER_NAME_SZ - 1, "dgm%d", channel_id);
dgm->layer.name[CAIF_LAYER_NAME_SZ - 1] = '\0';
snprintf(dgm->layer.name, CAIF_LAYER_NAME_SZ, "dgm%d", channel_id);
return &dgm->layer;
}

2
net/caif/cfutill.c
View File

@ -33,7 +33,7 @@ struct cflayer *cfutill_create(u8 channel_id, struct dev_info *dev_info)
cfsrvl_init(util, channel_id, dev_info, true);
util->layer.receive = cfutill_receive;
util->layer.transmit = cfutill_transmit;
snprintf(util->layer.name, CAIF_LAYER_NAME_SZ - 1, "util1");
snprintf(util->layer.name, CAIF_LAYER_NAME_SZ, "util1");
return &util->layer;
}

2
net/caif/cfveil.c
View File

@ -32,7 +32,7 @@ struct cflayer *cfvei_create(u8 channel_id, struct dev_info *dev_info)
cfsrvl_init(vei, channel_id, dev_info, true);
vei->layer.receive = cfvei_receive;
vei->layer.transmit = cfvei_transmit;
snprintf(vei->layer.name, CAIF_LAYER_NAME_SZ - 1, "vei%d", channel_id);
snprintf(vei->layer.name, CAIF_LAYER_NAME_SZ, "vei%d", channel_id);
return &vei->layer;
}

2
net/caif/cfvidl.c
View File

@ -29,7 +29,7 @@ struct cflayer *cfvidl_create(u8 channel_id, struct dev_info *dev_info)
cfsrvl_init(vid, channel_id, dev_info, false);
vid->layer.receive = cfvidl_receive;
vid->layer.transmit = cfvidl_transmit;
snprintf(vid->layer.name, CAIF_LAYER_NAME_SZ - 1, "vid1");
snprintf(vid->layer.name, CAIF_LAYER_NAME_SZ, "vid1");
return &vid->layer;
}