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 <ge...@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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/