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| author | Suresh Thiagarajan <Suresh.Thiagarajan@pmcs.com> | 2014-05-09 08:01:01 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-05-19 19:12:26 +0200 |
| commit | b42939aa075cc45ceb16c18f3b91a36bacbe7813 (patch) | |
| tree | 570cdc1dfce6bb340bab051b5cb92a61ce7fddaa /drivers/scsi/pm8001/pm8001_ctl.c | |
| parent | virtio_scsi: remove ACCESS_ONCE() and smp_read_barrier_depends() (diff) | |
| download | linux-b42939aa075cc45ceb16c18f3b91a36bacbe7813.tar.xz linux-b42939aa075cc45ceb16c18f3b91a36bacbe7813.zip | |
pm80xx : Fix missing NULL pointer checks and memory leaks
Checking return value for the memory allocattion and freeing it
while exiting the function
Signed-off-by: Viswas G <Viswas.G@pmcs.com>
Signed-off-by: Suresh Thiagarajan <Suresh.Thiagarajan@pmcs.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Acked-by: Jack Wang <xjtuwjp@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi/pm8001/pm8001_ctl.c')
| -rw-r--r-- | drivers/scsi/pm8001/pm8001_ctl.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c index 28b4e8139153..fe5eee4d0a11 100644 --- a/drivers/scsi/pm8001/pm8001_ctl.c +++ b/drivers/scsi/pm8001/pm8001_ctl.c @@ -395,6 +395,8 @@ static ssize_t pm8001_ctl_bios_version_show(struct device *cdev, payload.offset = 0; payload.length = 4096; payload.func_specific = kzalloc(4096, GFP_KERNEL); + if (!payload.func_specific) + return -ENOMEM; PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload); wait_for_completion(&completion); virt_addr = pm8001_ha->memoryMap.region[NVMD].virt_ptr; @@ -402,6 +404,7 @@ static ssize_t pm8001_ctl_bios_version_show(struct device *cdev, bios_index++) str += sprintf(str, "%c", *((u8 *)((u8 *)virt_addr+bios_index))); + kfree(payload.func_specific); return str - buf; } static DEVICE_ATTR(bios_version, S_IRUGO, pm8001_ctl_bios_version_show, NULL); |