From: kernel test robot <lkp(a)intel.com&gt; drivers/i2c/i2c-dev.c:291:6-12: ERROR: allocation function on line 289 returns NULL not ERR_PTR on failure The various basic memory allocation functions don't return ERR_PTR Generated by: scripts/coccinelle/null/eno.cocci CC: Matt Johnston <matt(a)codeconstruct.com.au&gt; Reported-by: kernel test robot <lkp(a)intel.com&gt; Signed-off-by: kernel test robot <lkp(a)intel.com&gt; --- url: https://github.com/0day-ci/linux/commits/Matt-Johnston/MCTP-I2C-driver/20... base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 1274a4eb318debe33e395bb8bcf8b98e6eb4670f :::::: branch date: 10 days ago :::::: commit date: 10 days ago i2c-dev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/i2c/i2c-dev.c +++ b/drivers/i2c/i2c-dev.c @@ -288,7 +288,7 @@ static noinline int i2cdev_ioctl_rdwr(st orig_lens[i] = msgs[i].len; msgs[i].buf = kmalloc(msgs[i].len + I2C_SMBUS_V3_BLOCK_MAX, GFP_USER | __GFP_NOWARN); - if (IS_ERR(msgs[i].buf)) { + if (!msgs[i].buf) { res = PTR_ERR(msgs[i].buf); break; }