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Staging: otus: fix some sparse warnings

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*apdbg.c: use NULL pointer instead of 0 interger. Also make two functions private.

Signed-off-by: Thiago Farina <tfransosi@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Thiago Farina 2009-11-22 17:00:00 -05:00 committed by Greg Kroah-Hartman
parent bb0bfc2a6b
commit cb13887657
1 changed files with 25 additions and 28 deletions
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49
drivers/staging/otus/apdbg.c
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@ -90,8 +90,27 @@ struct zdap_ioctl {
#endif
char hex(char);
unsigned char asctohex(char *str);
static char hex(char v)
{
if (isdigit(v))
return v - '0';
else if (isxdigit(v))
return tolower(v) - 'a' + 10;
else
return 0;
}
static unsigned char asctohex(char *str)
{
unsigned char value;
value = hex(*str) & 0x0f;
value = value << 4;
str++;
value |= hex(*str) & 0x0f;
return value;
}
char *prgname;
@ -109,7 +128,7 @@ int set_ioctl(int sock, struct ifreq *req)
int read_reg(int sock, struct ifreq *req)
{
struct zdap_ioctl *zdreq = 0;
struct zdap_ioctl *zdreq = NULL;
if (!set_ioctl(sock, req))
return -1;
@ -125,7 +144,7 @@ int read_reg(int sock, struct ifreq *req)
int read_mem(int sock, struct ifreq *req)
{
struct zdap_ioctl *zdreq = 0;
struct zdap_ioctl *zdreq = NULL;
int i;
if (!set_ioctl(sock, req))
@ -380,25 +399,3 @@ fail:
exit(0);
}
unsigned char asctohex(char *str)
{
unsigned char value;
value = hex(*str) & 0x0f;
value = value << 4;
str++;
value |= hex(*str) & 0x0f;
return value;
}
char hex(char v)
{
if (isdigit(v))
return v - '0';
else if (isxdigit(v))
return tolower(v) - 'a' + 10;
else
return 0;
}