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Subject[PATCH 07/18] staging: gasket: convert gasket_mmap_has_permissions to bool return
Date
From: Todd Poynor <toddpoynor@google.com>

gasket_mmap_has_permissions() should return a boolean value.

Signed-off-by: Zhongze Hu <frankhu@chromium.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
---
drivers/staging/gasket/gasket_core.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/gasket/gasket_core.c b/drivers/staging/gasket/gasket_core.c
index 6d240dc59557..155c69446f0b 100644
--- a/drivers/staging/gasket/gasket_core.c
+++ b/drivers/staging/gasket/gasket_core.c
@@ -1245,19 +1245,19 @@ static int gasket_release(struct inode *inode, struct file *file)
* that the provided descriptor/range is of adequate size to hold the range to
* be mapped.
*/
-static int gasket_mmap_has_permissions(
+static bool gasket_mmap_has_permissions(
struct gasket_dev *gasket_dev, struct vm_area_struct *vma,
int bar_permissions)
{
int requested_permissions;
/* Always allow sysadmin to access. */
if (capable(CAP_SYS_ADMIN))
- return 1;
+ return true;

/* Never allow non-sysadmins to access to a dead device. */
if (gasket_dev->status != GASKET_STATUS_ALIVE) {
gasket_log_info(gasket_dev, "Device is dead.");
- return 0;
+ return false;
}

/* Make sure that no wrong flags are set. */
@@ -1269,7 +1269,7 @@ static int gasket_mmap_has_permissions(
"Attempting to map a region with requested permissions "
"0x%x, but region has permissions 0x%x.",
requested_permissions, bar_permissions);
- return 0;
+ return false;
}

/* Do not allow a non-owner to write. */
@@ -1279,10 +1279,10 @@ static int gasket_mmap_has_permissions(
gasket_dev,
"Attempting to mmap a region for write without owning "
"device.");
- return 0;
+ return false;
}

- return 1;
+ return true;
}

/*
--
2.18.0.203.gfac676dfb9-goog
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