On 11/16/2015 12:18 PM, Thiago Farina wrote:
On Thu, Nov 12, 2015 at 4:35 PM, Matias Bjørling <m@xxxxxxxxxxx> wrote:
The max_phys_sect variable is defined as a char. We do a boundary check
to maximally allow 256 physical page descriptors per command. As we are
not indexing from zero. This expression is always in false. Bump the
max_phys_sect to an unsigned short to support the range check.
You might have to change the commit message to match the code change.
s/unsigned short/unsigned int. RIght?
You're right. It has been fixed.
Signed-off-by: Matias Bjørling <m@xxxxxxxxxxx>
Reported-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
---
include/linux/lightnvm.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index 69c9057..4b1cd3d 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -220,7 +220,7 @@ struct nvm_dev_ops {
nvm_dev_dma_alloc_fn *dev_dma_alloc;
nvm_dev_dma_free_fn *dev_dma_free;
- uint8_t max_phys_sect;
+ unsigned int max_phys_sect;
};
struct nvm_lun {
--
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