[PATCH] i2c: dev: fix eno.cocci warnings

[kernel test robot <lkp@intel.com>]

[-- Attachment #1: Type: text/plain, Size: 1131 bytes --]

From: kernel test robot <lkp@intel.com>

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@codeconstruct.com.au>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
---

url:    https://github.com/0day-ci/linux/commits/Matt-Johnston/MCTP-I2C-driver/20211115-105011
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;
 		}