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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-05 02:15:15 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-05 02:15:15 +0400
commit03da30986793385af57eeca3296253c887b742e6 (patch)
tree9c46dbe51c9d0856990649dd917ab45474b7be87 /drivers/s390/scsi/zfcp_cfdc.c
parent6ba74014c1ab0e37af7de6f64b4eccbbae3cb9e7 (diff)
parent339f4f4eab80caa6cf0d39fb057ad6ddb84ba91e (diff)
downloadlinux-03da30986793385af57eeca3296253c887b742e6.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (276 commits) [SCSI] zfcp: Trigger logging in the FCP channel on qdio error conditions [SCSI] zfcp: Introduce experimental support for DIF/DIX [SCSI] zfcp: Enable data division support for FCP devices [SCSI] zfcp: Prevent access on uninitialized memory. [SCSI] zfcp: Post events through FC transport class [SCSI] zfcp: Cleanup QDIO attachment and improve processing. [SCSI] zfcp: Cleanup function parameters for sbal value. [SCSI] zfcp: Use correct width for timer_interval field [SCSI] zfcp: Remove SCSI device when removing unit [SCSI] zfcp: Use memdup_user and kstrdup [SCSI] zfcp: Fix retry after failed "open port" erp action [SCSI] zfcp: Fail erp after timeout [SCSI] zfcp: Use forced_reopen in terminate_rport_io callback [SCSI] zfcp: Register SCSI devices after successful fc_remote_port_add [SCSI] zfcp: Do not try "forced close" when port is already closed [SCSI] zfcp: Do not unblock rport from REOPEN_PORT_FORCED [SCSI] sd: add support for runtime PM [SCSI] implement runtime Power Management [SCSI] convert to the new PM framework [SCSI] Unify SAM_ and SAM_STAT_ macros ...
Diffstat (limited to 'drivers/s390/scsi/zfcp_cfdc.c')
-rw-r--r--drivers/s390/scsi/zfcp_cfdc.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/s390/scsi/zfcp_cfdc.c b/drivers/s390/scsi/zfcp_cfdc.c
index 1a2db0a35737..fcbd2b756da4 100644
--- a/drivers/s390/scsi/zfcp_cfdc.c
+++ b/drivers/s390/scsi/zfcp_cfdc.c
@@ -189,18 +189,12 @@ static long zfcp_cfdc_dev_ioctl(struct file *file, unsigned int command,
if (!fsf_cfdc)
return -ENOMEM;
- data = kmalloc(sizeof(struct zfcp_cfdc_data), GFP_KERNEL);
- if (!data) {
- retval = -ENOMEM;
+ data = memdup_user(data_user, sizeof(*data_user));
+ if (IS_ERR(data)) {
+ retval = PTR_ERR(data);
goto no_mem_sense;
}
- retval = copy_from_user(data, data_user, sizeof(*data));
- if (retval) {
- retval = -EFAULT;
- goto free_buffer;
- }
-
if (data->signature != 0xCFDCACDF) {
retval = -EINVAL;
goto free_buffer;