staging: dgap: misc cleanup of NULL conditionals

refactors NULL conditionals

Signed-off-by: Mark Hounschell <markh@compro.net>
Tested-by: Mark Hounschell <markh@compro.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mark Hounschell 2014-05-28 16:17:45 -04:00 committed by Greg Kroah-Hartman
parent 28cda5ae09
commit 9a133a9039

View File

@ -2318,7 +2318,7 @@ static int dgap_tty_chars_in_buffer(struct tty_struct *tty)
ulong lock_flags = 0;
ulong lock_flags2 = 0;
if (tty == NULL)
if (!tty)
return 0;
un = tty->driver_data;
@ -2464,7 +2464,7 @@ static int dgap_maxcps_room(struct tty_struct *tty, int bytes_available)
struct channel_t *ch;
struct un_t *un;
if (tty == NULL)
if (!tty)
return bytes_available;
un = tty->driver_data;
@ -4140,12 +4140,12 @@ static int dgap_tty_register_ports(struct board_t *brd)
brd->serial_ports = kcalloc(brd->nasync, sizeof(*brd->serial_ports),
GFP_KERNEL);
if (brd->serial_ports == NULL)
if (!brd->serial_ports)
return -ENOMEM;
brd->printer_ports = kcalloc(brd->nasync, sizeof(*brd->printer_ports),
GFP_KERNEL);
if (brd->printer_ports == NULL)
if (!brd->printer_ports)
return -ENOMEM;
for (i = 0; i < brd->nasync; i++) {
@ -6524,7 +6524,7 @@ static int dgap_parsefile(char **in, int remove)
return -1;
}
s = dgap_getword(in);
if (s == NULL) {
if (!s) {
dgap_err("unexpected end of file");
return -1;
}
@ -6542,7 +6542,7 @@ static int dgap_parsefile(char **in, int remove)
return -1;
}
s = dgap_getword(in);
if (s == NULL) {
if (!s) {
dgap_err("unexpected end of file");
return -1;
}
@ -6560,7 +6560,7 @@ static int dgap_parsefile(char **in, int remove)
return -1;
}
s = dgap_getword(in);
if (s == NULL) {
if (!s) {
dgap_err("unexpected end of file");
return -1;
}
@ -6571,7 +6571,7 @@ static int dgap_parsefile(char **in, int remove)
}
p->u.board.v_pcibus = 1;
s = dgap_getword(in);
if (s == NULL) {
if (!s) {
dgap_err("unexpected end of file");
return -1;
}
@ -6589,7 +6589,7 @@ static int dgap_parsefile(char **in, int remove)
return -1;
}
s = dgap_getword(in);
if (s == NULL) {
if (!s) {
dgap_err("unexpected end of file");
return -1;
}
@ -6603,7 +6603,7 @@ static int dgap_parsefile(char **in, int remove)
return -1;
}
s = dgap_getword(in);
if (s == NULL) {
if (!s) {
dgap_err("unexpected end of file");
return -1;
}
@ -6613,7 +6613,7 @@ static int dgap_parsefile(char **in, int remove)
case NPORTS: /* number of ports */
if (p->type == BNODE) {
s = dgap_getword(in);
if (s == NULL) {
if (!s) {
dgap_err("unexpected end of file");
return -1;
}
@ -6624,7 +6624,7 @@ static int dgap_parsefile(char **in, int remove)
p->u.board.v_nport = 1;
} else if (p->type == CNODE) {
s = dgap_getword(in);
if (s == NULL) {
if (!s) {
dgap_err("unexpected end of file");
return -1;
}
@ -6635,7 +6635,7 @@ static int dgap_parsefile(char **in, int remove)
p->u.conc.v_nport = 1;
} else if (p->type == MNODE) {
s = dgap_getword(in);
if (s == NULL) {
if (!s) {
dgap_err("unexpected end of file");
return -1;
}
@ -6652,7 +6652,7 @@ static int dgap_parsefile(char **in, int remove)
case ID: /* letter ID used in tty name */
s = dgap_getword(in);
if (s == NULL) {
if (!s) {
dgap_err("unexpected end of file");
return -1;
}
@ -6674,7 +6674,7 @@ static int dgap_parsefile(char **in, int remove)
case STARTO: /* start offset of ID */
if (p->type == BNODE) {
s = dgap_getword(in);
if (s == NULL) {
if (!s) {
dgap_err("unexpected end of file");
return -1;
}
@ -6685,7 +6685,7 @@ static int dgap_parsefile(char **in, int remove)
p->u.board.v_start = 1;
} else if (p->type == CNODE) {
s = dgap_getword(in);
if (s == NULL) {
if (!s) {
dgap_err("unexpected end of file");
return -1;
}
@ -6696,7 +6696,7 @@ static int dgap_parsefile(char **in, int remove)
p->u.conc.v_start = 1;
} else if (p->type == MNODE) {
s = dgap_getword(in);
if (s == NULL) {
if (!s) {
dgap_err("unexpected end of file");
return -1;
}
@ -6756,7 +6756,7 @@ static int dgap_parsefile(char **in, int remove)
case LINE: /* line information */
if (dgap_checknode(p))
return -1;
if (brd == NULL) {
if (!brd) {
dgap_err("must specify board before line info");
return -1;
}
@ -6779,7 +6779,7 @@ static int dgap_parsefile(char **in, int remove)
case CONC: /* concentrator information */
if (dgap_checknode(p))
return -1;
if (line == NULL) {
if (!line) {
dgap_err("must specify line info before concentrator");
return -1;
}
@ -6818,7 +6818,7 @@ static int dgap_parsefile(char **in, int remove)
case MOD: /* EBI module */
if (dgap_checknode(p))
return -1;
if (brd == NULL) {
if (!brd) {
dgap_err("must specify board info before EBI modules");
return -1;
}
@ -6827,7 +6827,7 @@ static int dgap_parsefile(char **in, int remove)
linecnt = 0;
break;
default:
if (conc == NULL) {
if (!conc) {
dgap_err("must specify concentrator info before EBI module");
return -1;
}
@ -6878,7 +6878,7 @@ static int dgap_parsefile(char **in, int remove)
case SPEED: /* sync line speed indication */
if (p->type == LNODE) {
s = dgap_getword(in);
if (s == NULL) {
if (!s) {
dgap_err("unexpected end of file");
return -1;
}
@ -6889,7 +6889,7 @@ static int dgap_parsefile(char **in, int remove)
p->u.line.v_speed = 1;
} else if (p->type == CNODE) {
s = dgap_getword(in);
if (s == NULL) {
if (!s) {
dgap_err("unexpected end of file");
return -1;
}
@ -6946,7 +6946,7 @@ static int dgap_parsefile(char **in, int remove)
}
p = p->next;
s = dgap_getword(in);
if (s == NULL) {
if (!s) {
dgap_err("unexpected end of file");
return -1;
}
@ -6966,7 +6966,7 @@ static int dgap_parsefile(char **in, int remove)
}
p = p->next;
s = dgap_getword(in);
if (s == NULL) {
if (!s) {
dgap_err("unexpected end of file");
return -1;
}
@ -6986,7 +6986,7 @@ static int dgap_parsefile(char **in, int remove)
}
p = p->next;
s = dgap_getword(in);
if (s == NULL) {
if (!s) {
dgap_err("unexpected end of file");
return -1;
}
@ -7006,7 +7006,7 @@ static int dgap_parsefile(char **in, int remove)
}
p = p->next;
s = dgap_getword(in);
if (s == NULL) {
if (!s) {
dgap_err("unexpected end of file");
return -1;
}
@ -7026,7 +7026,7 @@ static int dgap_parsefile(char **in, int remove)
}
p = p->next;
s = dgap_getword(in);
if (s == NULL) {
if (!s) {
dgap_err("unexpected end of file");
return -1;
}
@ -7046,7 +7046,7 @@ static int dgap_parsefile(char **in, int remove)
}
p = p->next;
s = dgap_getword(in);
if (s == NULL) {
if (!s) {
dgap_err("unexpected end of file");
return -1;
}
@ -7066,7 +7066,7 @@ static int dgap_parsefile(char **in, int remove)
}
p = p->next;
s = dgap_getword(in);
if (s == NULL) {
if (!s) {
dgap_err("unexpected end of file");
return -1;
}
@ -7086,7 +7086,7 @@ static int dgap_parsefile(char **in, int remove)
}
p = p->next;
s = dgap_getword(in);
if (s == NULL) {
if (!s) {
dgap_err("unexpected end of file");
return -1;
}
@ -7106,7 +7106,7 @@ static int dgap_parsefile(char **in, int remove)
}
p = p->next;
s = dgap_getword(in);
if (s == NULL) {
if (!s) {
dgap_err("unexpected end of file");
return -1;
}