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Code Issues Releases Wiki Activity

Fix all remaining issues reported by LLVM/clang's scan-build

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Corresponding to flashrom svn r723.

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>
This commit is contained in:
Stefan Reinauer
2009-09-16 08:26:59 +00:00
committed by Stefan Reinauer
parent 9e72aa51a7
commit ab044b20a2
3 changed files with 28 additions and 27 deletions
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27
ft2232_spi.c
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@ -70,7 +70,6 @@ int ft2232_spi_init(void)
int f;
struct ftdi_context *ftdic = &ftdic_context;
unsigned char buf[512];
unsigned char port_val = 0;
char *portpos = NULL;
int ft2232_type = FTDI_FT4232H;
enum ftdi_interface ft2232_interface = INTERFACE_B;
@ -175,9 +174,8 @@ int ft2232_spi_init(void)
* dir: 0x0b CS=output, DI=input, DO=output, SK=output
*/
#define CS_BIT 0x08
buf[0] = SET_BITS_LOW;
buf[1] = (port_val = CS_BIT);
buf[1] = CS_BIT;
buf[2] = 0x0b;
if (send_buf(ftdic, buf, 3))
return -1;
@ -195,7 +193,6 @@ int ft2232_spi_send_command(unsigned int writecnt, unsigned int readcnt,
{
struct ftdi_context *ftdic = &ftdic_context;
static unsigned char *buf = NULL;
unsigned char port_val = 0;
int i, ret = 0;
if (writecnt > 65536 || readcnt > 65536)
@ -213,10 +210,11 @@ int ft2232_spi_send_command(unsigned int writecnt, unsigned int readcnt,
* as possible together. if we're not expecting to
* read, we can assert CS, write, and deassert CS all
* in one shot. if reading, we do three separate
* operations. */
* operations.
*/
printf_debug("Assert CS#\n");
buf[i++] = SET_BITS_LOW;
buf[i++] = (port_val &= ~CS_BIT);
buf[i++] = 0 & ~CS_BIT; /* assertive */
buf[i++] = 0x0b;
if (writecnt) {
@ -236,20 +234,19 @@ int ft2232_spi_send_command(unsigned int writecnt, unsigned int readcnt,
buf[i++] = ((readcnt - 1) >> 8) & 0xff;
ret = send_buf(ftdic, buf, i);
i = 0;
if (ret) goto deassert_cs;
/* FIXME: This is unreliable. There's no guarantee that we read
* the response directly after sending the read command.
* We may be scheduled out etc.
*/
ret = get_buf(ftdic, readarr, readcnt);
if (ret == 0) {
/* FIXME: This is unreliable. There's no guarantee that we read
* the response directly after sending the read command.
* We may be scheduled out etc.
*/
ret = get_buf(ftdic, readarr, readcnt);
}
}
deassert_cs:
printf_debug("De-assert CS#\n");
buf[i++] = SET_BITS_LOW;
buf[i++] = (port_val |= CS_BIT);
buf[i++] = CS_BIT;
buf[i++] = 0x0b;
if (send_buf(ftdic, buf, i))
return -1;