This function looks like a realloc.
However, if 'risc->cpu != NULL', the memory will be freed, but never
reallocated with the bigger 'size'.
Explicitly set 'risc->cpu' to NULL, so that the reallocation is
correctly performed a few lines below.
[hverkuil: NULL != risc->cpu -> risc->cpu]
Fixes:
5ede94c70553 ("[media] cx25821: remove bogus btcx_risc dependency)
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
__le32 *cpu;
dma_addr_t dma = 0;
- if (NULL != risc->cpu && risc->size < size)
+ if (risc->cpu && risc->size < size) {
pci_free_consistent(pci, risc->size, risc->cpu, risc->dma);
+ risc->cpu = NULL;
+ }
if (NULL == risc->cpu) {
cpu = pci_zalloc_consistent(pci, size, &dma);
if (NULL == cpu)