flash: fix error handling

memory leaks and missing check on memory allocation.

Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
This commit is contained in:
Øyvind Harboe 2010-09-27 16:45:25 +02:00
parent 19167a7af6
commit 45e5d1d90a
1 changed files with 11 additions and 2 deletions

View File

@ -601,7 +601,9 @@ int flash_write_unlock(struct target *target, struct image *image,
/* find the corresponding flash bank */ /* find the corresponding flash bank */
retval = get_flash_bank_by_addr(target, run_address, false, &c); retval = get_flash_bank_by_addr(target, run_address, false, &c);
if (retval != ERROR_OK) if (retval != ERROR_OK)
return retval; {
goto done;
}
if (c == NULL) if (c == NULL)
{ {
section++; /* and skip it */ section++; /* and skip it */
@ -653,7 +655,8 @@ int flash_write_unlock(struct target *target, struct image *image,
if (run_address + run_size - 1 > c->base + c->size - 1) if (run_address + run_size - 1 > c->base + c->size - 1)
{ {
LOG_ERROR("The image is too big for the flash"); LOG_ERROR("The image is too big for the flash");
return ERROR_FAIL; retval = ERROR_FAIL;
goto done;
} }
/* If we're applying any sector automagic, then pad this /* If we're applying any sector automagic, then pad this
@ -679,6 +682,12 @@ int flash_write_unlock(struct target *target, struct image *image,
/* allocate buffer */ /* allocate buffer */
buffer = malloc(run_size); buffer = malloc(run_size);
if (buffer == NULL)
{
LOG_ERROR("Out of memory for flash bank buffer");
retval = ERROR_FAIL;
goto done;
}
buffer_size = 0; buffer_size = 0;
/* read sections to the buffer */ /* read sections to the buffer */