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| author | Matt Fleming <matt.fleming@intel.com> | 2012-10-22 15:23:29 +0100 |
|---|---|---|
| committer | Matt Fleming <matt.fleming@intel.com> | 2012-10-30 10:39:26 +0000 |
| commit | d292384152fdd465dba792d555ce5db83e94efa0 (patch) | |
| tree | 9d221602e997270c66aa4565bc1d73280cbf5098 /drivers/firmware | |
| parent | 7253eaba7b179db2e07e67c5b78d5f10b332291d (diff) | |
| download | kernel-common-d292384152fdd465dba792d555ce5db83e94efa0.tar.gz kernel-common-d292384152fdd465dba792d555ce5db83e94efa0.tar.bz2 kernel-common-d292384152fdd465dba792d555ce5db83e94efa0.zip | |
efivarfs: Replace magic number with sizeof(attributes)
Seeing "+ 4" littered throughout the functions gets a bit
confusing. Use "sizeof(attributes)" which clearly explains what
quantity we're adding.
Acked-by: Jeremy Kerr <jeremy.kerr@canonical.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/efivars.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c index 277e42616f0d..2c044343c99b 100644 --- a/drivers/firmware/efivars.c +++ b/drivers/firmware/efivars.c @@ -801,7 +801,7 @@ static ssize_t efivarfs_file_read(struct file *file, char __user *userbuf, if (status != EFI_BUFFER_TOO_SMALL) return efi_status_to_err(status); - data = kmalloc(datasize + 4, GFP_KERNEL); + data = kmalloc(datasize + sizeof(attributes), GFP_KERNEL); if (!data) return -ENOMEM; @@ -810,7 +810,7 @@ static ssize_t efivarfs_file_read(struct file *file, char __user *userbuf, status = efivars->ops->get_variable(var->var.VariableName, &var->var.VendorGuid, &attributes, &datasize, - (data + 4)); + (data + sizeof(attributes))); spin_unlock(&efivars->lock); if (status != EFI_SUCCESS) { @@ -818,9 +818,9 @@ static ssize_t efivarfs_file_read(struct file *file, char __user *userbuf, goto out_free; } - memcpy(data, &attributes, 4); + memcpy(data, &attributes, sizeof(attributes)); size = simple_read_from_buffer(userbuf, count, ppos, - data, datasize + 4); + data, datasize + sizeof(attributes)); out_free: kfree(data); |