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| author | Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> | 2009-07-14 10:26:56 +0000 |
|---|---|---|
| committer | Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> | 2009-07-14 10:26:56 +0000 |
| commit | 142e30fcaa1c3a63a1f0baf0b802ef888a0c250b (patch) | |
| tree | c286d89dadacecee2e68b84ce5606467e9ae33e8 /ft2232_spi.c | |
| parent | 78e4e127129398454813d1552b516638837c423e (diff) | |
| download | ast2050-flashrom-142e30fcaa1c3a63a1f0baf0b802ef888a0c250b.zip ast2050-flashrom-142e30fcaa1c3a63a1f0baf0b802ef888a0c250b.tar.gz | |
Use a distinct return code for SPI commands with unsupported/invalid length
Some drivers support only a few combinations of read/write length and
return error otherwise. Having a distinct return code for this error
means we can handle it in upper layers.
Corresponding to flashrom svn r653.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
Diffstat (limited to 'ft2232_spi.c')
| -rw-r--r-- | ft2232_spi.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/ft2232_spi.c b/ft2232_spi.c index 8e6e836..5d229b3 100644 --- a/ft2232_spi.c +++ b/ft2232_spi.c @@ -201,6 +201,9 @@ int ft2232_spi_send_command(unsigned int writecnt, unsigned int readcnt, unsigned char port_val = 0; int i, ret = 0; + if (writecnt > 65536 || readcnt > 65536) + return SPI_INVALID_LENGTH; + buf = realloc(buf, writecnt + readcnt + 100); if (!buf) { fprintf(stderr, "Out of memory!\n"); |
