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94b960b9de
Prior to this patch in case mlx5_core_destroy_cq() failed it returns
without completing all destroy operations and that leads to memory leak.
Instead, complete the destroy flow before return error.
Also move mlx5_debug_cq_remove() to the beginning of mlx5_core_destroy_cq()
to be symmetrical with mlx5_core_create_cq().
kmemleak complains on:
unreferenced object 0xc000000038625100 (size 64):
comm "ethtool", pid 28301, jiffies 4298062946 (age 785.380s)
hex dump (first 32 bytes):
60 01 48 94 00 00 00 c0 b8 05 34 c3 00 00 00 c0 `.H.......4.....
02 00 00 00 00 00 00 00 00 db 7d c1 00 00 00 c0 ..........}.....
backtrace:
[<000000009e8643cb>] add_res_tree+0xd0/0x270 [mlx5_core]
[<00000000e7cb8e6c>] mlx5_debug_cq_add+0x5c/0xc0 [mlx5_core]
[<000000002a12918f>] mlx5_core_create_cq+0x1d0/0x2d0 [mlx5_core]
[<00000000cef0a696>] mlx5e_create_cq+0x210/0x3f0 [mlx5_core]
[<000000009c642c26>] mlx5e_open_cq+0xb4/0x130 [mlx5_core]
[<0000000058dfa578>] mlx5e_ptp_open+0x7f4/0xe10 [mlx5_core]
[<0000000081839561>] mlx5e_open_channels+0x9cc/0x13e0 [mlx5_core]
[<0000000009cf05d4>] mlx5e_switch_priv_channels+0xa4/0x230
[mlx5_core]
[<0000000042bbedd8>] mlx5e_safe_switch_params+0x14c/0x300
[mlx5_core]
[<0000000004bc9db8>] set_pflag_tx_port_ts+0x9c/0x160 [mlx5_core]
[<00000000a0553443>] mlx5e_set_priv_flags+0xd0/0x1b0 [mlx5_core]
[<00000000a8f3d84b>] ethnl_set_privflags+0x234/0x2d0
[<00000000fd27f27c>] genl_family_rcv_msg_doit+0x108/0x1d0
[<00000000f495e2bb>] genl_family_rcv_msg+0xe4/0x1f0
[<00000000646c5c2c>] genl_rcv_msg+0x78/0x120
[<00000000d53e384e>] netlink_rcv_skb+0x74/0x1a0
Fixes:
|
||
|---|---|---|
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.