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scsi: pmcraid: Add missing resource releases 

Most error branches following the call to pmcraid_get_free_cmd contain a
call to pmcraid_return_cmd. This patch add these calls where they are
missing.

Moreover, most error branches following the call to class_create contain
a call to class_destroy. This patch add these calls where they are
missing.

This issue was found with Hector.

Signed-off-by: Quentin Lambert <lambert.quentin@gmail.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Quentin Lambert 2016-11-19 18:43:18 +01:00 committed by Martin K. Petersen
parent 75b1cc4ad6
commit 2d76a2478b
1 changed files with 7 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/scsi/pmcraid.c
View File

@ -3792,11 +3792,11 @@ static long pmcraid_ioctl_passthrough(
direction);
if (rc) {
pmcraid_err("couldn't build passthrough ioadls\n");
goto out_free_buffer;
goto out_free_cmd;
}
} else if (request_size < 0) {
rc = -EINVAL;
goto out_free_buffer;
goto out_free_cmd;
}
/* If data is being written into the device, copy the data from user
@ -3913,6 +3913,8 @@ out_handle_response:
out_free_sglist:
pmcraid_release_passthrough_ioadls(cmd, request_size, direction);
out_free_cmd:
pmcraid_return_cmd(cmd);
out_free_buffer:
@ -6023,8 +6025,10 @@ static int __init pmcraid_init(void)
error = pmcraid_netlink_init();
if (error)
if (error) {
class_destroy(pmcraid_class);
goto out_unreg_chrdev;
}
error = pci_register_driver(&pmcraid_driver);