diff options
| author | Varun Prakash <varun@chelsio.com> | 2018-08-11 18:33:58 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-10-10 09:54:19 +0300 |
| commit | 6054817c5e07702922603efc64c9568d60e3ee78 (patch) | |
| tree | 5681d4b3fa43fdb3129851ec3491e0834e8b4569 /drivers/scsi/csiostor/csio_hw.c | |
| parent | 4e380c50cf12f07d01262b81f5c61249503d2ce3 (diff) | |
| download | linux-6054817c5e07702922603efc64c9568d60e3ee78.tar.xz | |
scsi: csiostor: add a check for NULL pointer after kmalloc()
[ Upstream commit 89809b028b6f54187b7d81a0c69b35d394c52e62 ]
Reported-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/scsi/csiostor/csio_hw.c')
| -rw-r--r-- | drivers/scsi/csiostor/csio_hw.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/scsi/csiostor/csio_hw.c b/drivers/scsi/csiostor/csio_hw.c index 5be0086142ca..ab30db8c36c6 100644 --- a/drivers/scsi/csiostor/csio_hw.c +++ b/drivers/scsi/csiostor/csio_hw.c @@ -2010,8 +2010,8 @@ bye: } /* - * Returns -EINVAL if attempts to flash the firmware failed - * else returns 0, + * Returns -EINVAL if attempts to flash the firmware failed, + * -ENOMEM if memory allocation failed else returns 0, * if flashing was not attempted because the card had the * latest firmware ECANCELED is returned */ @@ -2039,6 +2039,13 @@ csio_hw_flash_fw(struct csio_hw *hw, int *reset) return -EINVAL; } + /* allocate memory to read the header of the firmware on the + * card + */ + card_fw = kmalloc(sizeof(*card_fw), GFP_KERNEL); + if (!card_fw) + return -ENOMEM; + if (csio_is_t5(pci_dev->device & CSIO_HW_CHIP_MASK)) fw_bin_file = FW_FNAME_T5; else @@ -2052,11 +2059,6 @@ csio_hw_flash_fw(struct csio_hw *hw, int *reset) fw_size = fw->size; } - /* allocate memory to read the header of the firmware on the - * card - */ - card_fw = kmalloc(sizeof(*card_fw), GFP_KERNEL); - /* upgrade FW logic */ ret = csio_hw_prep_fw(hw, fw_info, fw_data, fw_size, card_fw, hw->fw_state, reset); |