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mips: fix potential alignment error

This commit is contained in:
Stefan Mahr 2011-08-10 23:42:28 +02:00 committed by Øyvind Harboe
parent 85f1963d52
commit 45b5c838a6
1 changed files with 19 additions and 1 deletions
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20
src/target/mips_m4k.c
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@ -870,7 +870,22 @@ static int mips_m4k_read_memory(struct target *target, uint32_t address,
if (((size == 4) && (address & 0x3u)) || ((size == 2) && (address & 0x1u))) if (((size == 4) && (address & 0x3u)) || ((size == 2) && (address & 0x1u)))
return ERROR_TARGET_UNALIGNED_ACCESS; return ERROR_TARGET_UNALIGNED_ACCESS;
void * t = buffer; /* since we don't know if buffer is aligned, we allocate new mem that is always aligned */
void *t = NULL;
if (size > 1)
{
t = malloc(count * size * sizeof(uint8_t));
if (t == NULL)
{
LOG_ERROR("Out of memory");
return ERROR_FAIL;
}
}
else
{
t = buffer;
}
/* if noDMA off, use DMAACC mode for memory read */ /* if noDMA off, use DMAACC mode for memory read */
int retval; int retval;
@ -894,6 +909,9 @@ static int mips_m4k_read_memory(struct target *target, uint32_t address,
} }
} }
if ((size > 1) && (t != NULL))
free(t);
return retval; return retval;
} }