RDMA/iwcm: Fix workqueue list corruption by removing work_list

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/infiniband/core/iwcm.c",
                        "drivers/infiniband/core/iwcm.h"
                    ],
                    "versions": [
                        {
                            "version": "e1168f09b3314992f1c5251f3793102035da7237",
                            "lessThan": "38c5b49fffa1b760959af74f11806eeb3ef4706d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e1168f09b3314992f1c5251f3793102035da7237",
                            "lessThan": "eb715133e0ae12514bba4d2d5ce1dee774476056",
                            "status": "affected",
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                        {
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                        {
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                            "lessThan": "7874eeacfa42177565c01d5198726671acf7adf2",
                            "status": "affected",
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                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/infiniband/core/iwcm.c",
                        "drivers/infiniband/core/iwcm.h"
                    ],
                    "versions": [
                        {
                            "version": "6.11",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.11",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.75",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.14",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.4",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }