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From 4b381a31345930d08ab9adb87087bb765f624506 Mon Sep 17 00:00:00 2001
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From: Alison Schofield <alison.schofield@intel.com>
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Date: Thu, 3 Mar 2022 15:16:57 -0800
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Subject: [PATCH 143/217] libcxl: Remove extraneous NULL checks when validating
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cmd status
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When a cxl_cmd_new_*() function is executed the returned command
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pointer is always checked for NULL. Remove extraneous NULL checks
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later in the command validation path.
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Coverity pointed these out as 'check_after_deref' issues.
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Link: https://lore.kernel.org/r/20220303231657.1053594-1-alison.schofield@intel.com
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Fixes: 4f588b964dcc ("libcxl: add GET_PARTITION_INFO mailbox command and accessors")
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Fixes: 50b9d77232d4 ("libcxl: add accessors for capacity fields of the IDENTIFY command")
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Reviewed-by: Dan Williams <dan.j.williams@intel.com>
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Signed-off-by: Alison Schofield <alison.schofield@intel.com>
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Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
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---
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cxl/lib/libcxl.c | 4 ----
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1 file changed, 4 deletions(-)
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diff --git a/cxl/lib/libcxl.c b/cxl/lib/libcxl.c
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index daa2bbc..f111d86 100644
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--- a/cxl/lib/libcxl.c
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+++ b/cxl/lib/libcxl.c
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@@ -2283,8 +2283,6 @@ cmd_to_identify(struct cxl_cmd *cmd)
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if (cxl_cmd_validate_status(cmd, CXL_MEM_COMMAND_ID_IDENTIFY))
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return NULL;
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- if (!cmd)
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- return NULL;
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return cmd->output_payload;
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}
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@@ -2429,8 +2427,6 @@ cmd_to_get_partition(struct cxl_cmd *cmd)
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if (cxl_cmd_validate_status(cmd, CXL_MEM_COMMAND_ID_GET_PARTITION_INFO))
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return NULL;
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- if (!cmd)
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- return NULL;
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return cmd->output_payload;
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}
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--
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2.27.0
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