openwrt/flashrom
1
0
Fork 0
mirror of https://review.coreboot.org/flashrom.git synced 2025-04-27 23:22:37 +02:00
Code Issues Releases Wiki Activity

Retry short reads in ft2232_spi

Browse Source 
It is possible that ftdi_read_data() returns less data
than requested. Catch this case and retry reading the rest
of the buffer.

Corresponding to flashrom svn r1228.

Signed-off-by: Alex Badea <vamposdecampos@gmail.com>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
This commit is contained in:
Alex Badea 2010-11-10 03:10:41 +00:00 committed by Carl-Daniel Hailfinger
parent db7afc59c9
commit b9556e0fd4
1 changed files with 10 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
ft2232_spi.c
View File

@ -108,11 +108,16 @@ static int get_buf(struct ftdi_context *ftdic, const unsigned char *buf,
int size) int size)
{ {
int r; int r;
r = ftdi_read_data(ftdic, (unsigned char *) buf, size);
if (r < 0) { while (size > 0) {
msg_perr("ftdi_read_data: %d, %s\n", r, r = ftdi_read_data(ftdic, (unsigned char *) buf, size);
ftdi_get_error_string(ftdic)); if (r < 0) {
return 1; msg_perr("ftdi_read_data: %d, %s\n", r,
ftdi_get_error_string(ftdic));
return 1;
}
buf += r;
size -= r;
} }
return 0; return 0;
} }