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drm/xe/configfs: Use guard() for dev->lock

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Instead of the manual lock()/unlock() pattern, use guard() which will
make things easier for handling errors or early returns.

Reviewed-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane@intel.com>
Link: https://lore.kernel.org/r/20250821-psmi-v5-8-34ab7550d3d8@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
This commit is contained in:
Lucas De Marchi
2025-08-21 09:18:03 -07:00
parent afe902848b
commit 734197a933
1 changed files with 5 additions and 8 deletions
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13
drivers/gpu/drm/xe/xe_configfs.c
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@@ -5,6 +5,7 @@
#include <linux/bitops.h>
#include <linux/configfs.h>
#include <linux/cleanup.h>
#include <linux/find.h>
#include <linux/init.h>
#include <linux/module.h>
@@ -164,9 +165,8 @@ static ssize_t survivability_mode_store(struct config_item *item, const char *pa
if (ret)
return ret;
mutex_lock(&dev->lock);
guard(mutex)(&dev->lock);
dev->config.survivability_mode = survivability_mode;
mutex_unlock(&dev->lock);
return len;
}
@@ -248,9 +248,8 @@ static ssize_t engines_allowed_store(struct config_item *item, const char *page,
val |= mask;
}
mutex_lock(&dev->lock);
guard(mutex)(&dev->lock);
dev->config.engines_allowed = val;
mutex_unlock(&dev->lock);
return len;
}
@@ -272,9 +271,8 @@ static ssize_t enable_psmi_store(struct config_item *item, const char *page, siz
if (ret)
return ret;
mutex_lock(&dev->lock);
guard(mutex)(&dev->lock);
dev->config.enable_psmi = val;
mutex_unlock(&dev->lock);
return len;
}
@@ -454,9 +452,8 @@ void xe_configfs_clear_survivability_mode(struct pci_dev *pdev)
if (!dev)
return;
mutex_lock(&dev->lock);
guard(mutex)(&dev->lock);
dev->config.survivability_mode = 0;
mutex_unlock(&dev->lock);
config_group_put(&dev->group);
}