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bsp/qoriq: Avoid NULL pointer access

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This commit is contained in:
Sebastian Huber
2013-05-27 12:49:14 +02:00
parent 9984acd10c
commit 9344677cf4
1 changed files with 11 additions and 5 deletions
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c/src/lib/libbsp/powerpc/qoriq/console/console-config.c
+11 -5
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@@ -187,12 +187,18 @@ console_tbl Console_Configuration_Ports [CONSOLE_COUNT] = {
static void output_char(char c)
{
const console_fns *con = Console_Port_Tbl [Console_Port_Minor]->pDeviceFns;
if (c == '\n') {
con->deviceWritePolled((int) Console_Port_Minor, '\r');
int minor = (int) Console_Port_Minor;
const console_tbl **ct_tbl = Console_Port_Tbl;
if (ct_tbl != NULL) {
const console_fns *cf = ct_tbl[minor]->pDeviceFns;
if (c == '\n') {
(*cf->deviceWritePolled)(minor, '\r');
}
(*cf->deviceWritePolled)(minor, c);
}
con->deviceWritePolled((int) Console_Port_Minor, c);
}
BSP_output_char_function_type BSP_output_char = output_char;