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accel/habanalabs: fix mem leak in capture user mappings

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This commit fixes a memory leak caused when clearing the user_mappings
info when a new context is opened immediately after user_mapping is
captured and a hard reset is performed.

Signed-off-by: Moti Haimovski <mhaimovski@habana.ai>
Reviewed-by: Dani Liberman <dliberman@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
This commit is contained in:
Moti Haimovski 2023-04-16 18:36:17 +03:00 committed by Oded Gabbay
parent e715008b7c
commit 314a7ffd7c
1 changed files with 2 additions and 0 deletions
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2
drivers/accel/habanalabs/common/habanalabs_drv.c
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@ -13,6 +13,7 @@
#include <linux/pci.h>
#include <linux/module.h>
#include <linux/vmalloc.h>
#define CREATE_TRACE_POINTS
#include <trace/events/habanalabs.h>
@ -218,6 +219,7 @@ int hl_device_open(struct inode *inode, struct file *filp)
hl_debugfs_add_file(hpriv);
vfree(hdev->captured_err_info.page_fault_info.user_mappings);
memset(&hdev->captured_err_info, 0, sizeof(hdev->captured_err_info));
atomic_set(&hdev->captured_err_info.cs_timeout.write_enable, 1);
hdev->captured_err_info.undef_opcode.write_enable = true;