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RDMA/iwpm: Delete unnecessary checks before the macro call "dev_kfree_skb" 

The dev_kfree_skb() function performs also input parameter validation.
Thus the test around the shown calls is not needed.

This issue was detected by using the Coccinelle software.

Link: https://lore.kernel.org/r/16df4c50-1f61-d7c4-3fc8-3073666d281d@web.de
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Markus Elfring 2019-08-21 19:30:09 +02:00 committed by Jason Gunthorpe
parent 1bc5ba836e
commit fd1a52f38c
2 changed files with 6 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/infiniband/core/iwpm_msg.c
View File

@ -124,8 +124,7 @@ int iwpm_register_pid(struct iwpm_dev_data *pm_msg, u8 nl_client)
return ret;
pid_query_error:
pr_info("%s: %s (client = %d)\n", __func__, err_str, nl_client);
if (skb)
dev_kfree_skb(skb);
dev_kfree_skb(skb);
if (nlmsg_request)
iwpm_free_nlmsg_request(&nlmsg_request->kref);
return ret;
@ -214,8 +213,7 @@ int iwpm_add_mapping(struct iwpm_sa_data *pm_msg, u8 nl_client)
add_mapping_error:
pr_info("%s: %s (client = %d)\n", __func__, err_str, nl_client);
add_mapping_error_nowarn:
if (skb)
dev_kfree_skb(skb);
dev_kfree_skb(skb);
if (nlmsg_request)
iwpm_free_nlmsg_request(&nlmsg_request->kref);
return ret;
@ -308,8 +306,7 @@ int iwpm_add_and_query_mapping(struct iwpm_sa_data *pm_msg, u8 nl_client)
query_mapping_error:
pr_info("%s: %s (client = %d)\n", __func__, err_str, nl_client);
query_mapping_error_nowarn:
if (skb)
dev_kfree_skb(skb);
dev_kfree_skb(skb);
if (nlmsg_request)
iwpm_free_nlmsg_request(&nlmsg_request->kref);
return ret;

9
drivers/infiniband/core/iwpm_util.c
View File

@ -655,8 +655,7 @@ static int send_mapinfo_num(u32 mapping_num, u8 nl_client, int iwpm_pid)
return 0;
mapinfo_num_error:
pr_info("%s: %s\n", __func__, err_str);
if (skb)
dev_kfree_skb(skb);
dev_kfree_skb(skb);
return ret;
}
@ -778,8 +777,7 @@ int iwpm_send_mapinfo(u8 nl_client, int iwpm_pid)
send_mapping_info_exit:
if (ret) {
pr_warn("%s: %s (ret = %d)\n", __func__, err_str, ret);
if (skb)
dev_kfree_skb(skb);
dev_kfree_skb(skb);
return ret;
}
send_nlmsg_done(skb, nl_client, iwpm_pid);
@ -834,7 +832,6 @@ int iwpm_send_hello(u8 nl_client, int iwpm_pid, u16 abi_version)
return 0;
hello_num_error:
pr_info("%s: %s\n", __func__, err_str);
if (skb)
dev_kfree_skb(skb);
dev_kfree_skb(skb);
return ret;
}