Author: stefanct
Date: Sat Apr 26 18:12:55 2014
New Revision: 1779
URL: http://flashrom.org/trac/flashrom/changeset/1779

Log:
CID1130000: Unchecked return value in default_spi_write_aai().

Also, try to always disable WRDI because else the user is stuck
with a chip in AAI mode that won't return by itself w/o a reset.

Signed-off-by: Stefan Reinauer <[email protected]>
Signed-off-by: Stefan Tauner <[email protected]>
Acked-by: Stefan Tauner <[email protected]>

Modified:
   trunk/spi25.c

Modified: trunk/spi25.c
==============================================================================
--- trunk/spi25.c       Sat Apr 26 18:12:45 2014        (r1778)
+++ trunk/spi25.c       Sat Apr 26 18:12:55 2014        (r1779)
@@ -1128,13 +1128,9 @@
 
 
        result = spi_send_multicommand(flash, cmds);
-       if (result) {
-               msg_cerr("%s failed during start command execution\n",
-                        __func__);
-               /* FIXME: Should we send WRDI here as well to make sure the chip
-                * is not in AAI mode?
-                */
-               return result;
+       if (result != 0) {
+               msg_cerr("%s failed during start command execution: %d\n", 
__func__, result);
+               goto bailout;
        }
        while (spi_read_status_register(flash) & SPI_SR_WIP)
                programmer_delay(10);
@@ -1146,8 +1142,11 @@
        while (pos < start + len - 1) {
                cmd[1] = buf[pos++ - start];
                cmd[2] = buf[pos++ - start];
-               spi_send_command(flash, JEDEC_AAI_WORD_PROGRAM_CONT_OUTSIZE, 0,
-                                cmd, NULL);
+               result = spi_send_command(flash, 
JEDEC_AAI_WORD_PROGRAM_CONT_OUTSIZE, 0, cmd, NULL);
+               if (result != 0) {
+                       msg_cerr("%s failed during followup AAI command 
execution: %d\n", __func__, result);
+                       goto bailout;
+               }
                while (spi_read_status_register(flash) & SPI_SR_WIP)
                        programmer_delay(10);
        }
@@ -1165,4 +1164,8 @@
        }
 
        return 0;
+
+bailout:
+       spi_write_disable(flash);
+       return SPI_GENERIC_ERROR;
 }

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