Hello! This is an experimental automated report about issues detected by Coverity from a scan of next-20191025 as part of the linux-next weekly scan project: https://scan.coverity.com/projects/linux-next-weekly-scan You're getting this email because you were associated with the identified lines of code (noted below) that were touched by recent commits: 453977875364 ("mtd: spi-nor: Introduce 'struct spi_nor_controller_ops'") Coverity reported the following: *** CID 1487363: Null pointer dereferences (FORWARD_NULL) /drivers/mtd/spi-nor/spi-nor.c: 967 in spi_nor_erase_sector() 961 */ 962 for (i = nor->addr_width - 1; i >= 0; i--) { 963 nor->bouncebuf[i] = addr & 0xff; 964 addr >>= 8; 965 } 966 vvv CID 1487363: Null pointer dereferences (FORWARD_NULL) vvv Dereferencing null pointer "nor->controller_ops". 967 return nor->controller_ops->write_reg(nor, nor->erase_opcode, 968 nor->bouncebuf, nor->addr_width); 969 } 970 971 /** 972 * spi_nor_div_by_erase_size() - calculate remainder and update new dividend If this is a false positive, please let us know so we can mark it as such, or teach the Coverity rules to be smarter. If not, please make sure fixes get into linux-next. :) For patches fixing this, please include: Reported-by: coverity-bot <keescook+coverity-bot@xxxxxxxxxxxx> Addresses-Coverity-ID: 1487363 ("Null pointer dereferences") Fixes: 453977875364 ("mtd: spi-nor: Introduce 'struct spi_nor_controller_ops'") Thanks for your attention! -- Coverity-bot
