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Fix sparse warning: Using plain integer as NULL pointer

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This patch fixes the "using plain integer as NULL pointer" warnings
generated by running sparse on the flashrom source.

Corresponding to flashrom svn r1255.

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Acked-by: Mathias Krause <mathias.krause@secunet.com>
Acked-by: Stefan Reinauer <stepan@coreboot.org>
This commit is contained in:
Peter Huewe 2011-01-24 19:15:51 +00:00 committed by Stefan Reinauer
parent ff30d8a538
commit 73f8ec8b1e
7 changed files with 27 additions and 27 deletions
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2
cbtable.c
View File

@ -141,7 +141,7 @@ static struct lb_header *find_lb_table(void *base, unsigned long start,
};
return 0;
return NULL;
}
static void find_mainboard(struct lb_record *ptr, unsigned long addr)

2
chipset_enable.c
View File

@ -1173,7 +1173,7 @@ const struct penable chipset_enables[] = {
int chipset_flash_enable(void)
{
struct pci_dev *dev = 0;
struct pci_dev *dev = NULL;
int ret = -2; /* Nothing! */
int i;

34
cli_classic.c
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@ -116,23 +116,23 @@ int cli_classic(int argc, char *argv[])
static const char optstring[] = "r:Rw:v:nVEfc:m:l:i:p:Lzh";
static const struct option long_options[] = {
{"read", 1, 0, 'r'},
{"write", 1, 0, 'w'},
{"erase", 0, 0, 'E'},
{"verify", 1, 0, 'v'},
{"noverify", 0, 0, 'n'},
{"chip", 1, 0, 'c'},
{"mainboard", 1, 0, 'm'},
{"verbose", 0, 0, 'V'},
{"force", 0, 0, 'f'},
{"layout", 1, 0, 'l'},
{"image", 1, 0, 'i'},
{"list-supported", 0, 0, 'L'},
{"list-supported-wiki", 0, 0, 'z'},
{"programmer", 1, 0, 'p'},
{"help", 0, 0, 'h'},
{"version", 0, 0, 'R'},
{0, 0, 0, 0}
{"read", 1, NULL, 'r'},
{"write", 1, NULL, 'w'},
{"erase", 0, NULL, 'E'},
{"verify", 1, NULL, 'v'},
{"noverify", 0, NULL, 'n'},
{"chip", 1, NULL, 'c'},
{"mainboard", 1, NULL, 'm'},
{"verbose", 0, NULL, 'V'},
{"force", 0, NULL, 'f'},
{"layout", 1, NULL, 'l'},
{"image", 1, NULL, 'i'},
{"list-supported", 0, NULL, 'L'},
{"list-supported-wiki", 0, NULL, 'z'},
{"programmer", 1, NULL, 'p'},
{"help", 0, NULL, 'h'},
{"version", 0, NULL, 'R'},
{NULL, 0, NULL, 0}
};
char *filename = NULL;

4
physmap.c
View File

@ -180,7 +180,7 @@ static void *sys_physmap_rw_uncached(unsigned long phys_addr, size_t len)
}
}
virt_addr = mmap(0, len, PROT_WRITE | PROT_READ, MAP_SHARED,
virt_addr = mmap(NULL, len, PROT_WRITE | PROT_READ, MAP_SHARED,
fd_mem, (off_t)phys_addr);
return MAP_FAILED == virt_addr ? ERROR_PTR : virt_addr;
}
@ -200,7 +200,7 @@ static void *sys_physmap_ro_cached(unsigned long phys_addr, size_t len)
}
}
virt_addr = mmap(0, len, PROT_READ, MAP_SHARED,
virt_addr = mmap(NULL, len, PROT_READ, MAP_SHARED,
fd_mem_cached, (off_t)phys_addr);
return MAP_FAILED == virt_addr ? ERROR_PTR : virt_addr;
}

2
programmer.c
View File

@ -30,7 +30,7 @@ int noop_shutdown(void)
void *fallback_map(const char *descr, unsigned long phys_addr, size_t len)
{
/* FIXME: Should return phys_addr. */
return 0;
return NULL;
}
/* No-op/fallback unmap() for programmers which don't need special handling */

2
serprog.c
View File

@ -541,7 +541,7 @@ static void sp_execute_opbuf_noflush(void)
{
if ((sp_max_write_n) && (sp_write_n_bytes))
sp_pass_writen();
sp_stream_buffer_op(S_CMD_O_EXEC, 0, 0);
sp_stream_buffer_op(S_CMD_O_EXEC, 0, NULL);
msg_pspew(MSGHEADER "Executed operation buffer of %d bytes\n",
sp_opbuf_usage);
sp_opbuf_usage = 0;

8
udelay.c
View File

@ -45,11 +45,11 @@ static unsigned long measure_os_delay_resolution(void)
struct timeval start, end;
unsigned long counter = 0;
gettimeofday(&start, 0);
gettimeofday(&start, NULL);
timeusec = 0;
while (!timeusec && (++counter < 1000000000)) {
gettimeofday(&end, 0);
gettimeofday(&end, NULL);
timeusec = 1000000 * (end.tv_sec - start.tv_sec) +
(end.tv_usec - start.tv_usec);
/* Protect against time going forward too much. */
@ -68,9 +68,9 @@ static unsigned long measure_delay(int usecs)
unsigned long timeusec;
struct timeval start, end;
gettimeofday(&start, 0);
gettimeofday(&start, NULL);
myusec_delay(usecs);
gettimeofday(&end, 0);
gettimeofday(&end, NULL);
timeusec = 1000000 * (end.tv_sec - start.tv_sec) +
(end.tv_usec - start.tv_usec);
/* Protect against time going forward too much. */