Messages in this thread Patch in this message | | | From | Matias Bjørling <> | Subject | [PATCH v2] lightnvm: change max_phys_sect to ushort | Date | Thu, 12 Nov 2015 19:58:13 +0100 |
| |
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 chech.
Signed-off-by: Matias Bjørling <m@bjorling.me> Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> --- 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..e8bc52a 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 short max_phys_sect; }; struct nvm_lun { -- 2.1.4
| |