Kernel/linux-next
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git synced 2025-01-09 07:23:14 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

PM / hibernate: cast PAGE_SIZE to int when comparing with error code

Browse Source 
If PAGE_SIZE is unsigned type then negative error code will be
larger than PAGE_SIZE.

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Chengguang Xu 2018-06-25 13:30:58 +08:00 committed by Rafael J. Wysocki
parent 021c91791a
commit d5641c64c4
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
kernel/power/swap.c
View File

@ -923,7 +923,7 @@ int swsusp_write(unsigned int flags)
} }
memset(&snapshot, 0, sizeof(struct snapshot_handle)); memset(&snapshot, 0, sizeof(struct snapshot_handle));
error = snapshot_read_next(&snapshot); error = snapshot_read_next(&snapshot);
if (error < PAGE_SIZE) { if (error < (int)PAGE_SIZE) {
if (error >= 0) if (error >= 0)
error = -EFAULT; error = -EFAULT;
@ -1483,7 +1483,7 @@ int swsusp_read(unsigned int *flags_p)
memset(&snapshot, 0, sizeof(struct snapshot_handle)); memset(&snapshot, 0, sizeof(struct snapshot_handle));
error = snapshot_write_next(&snapshot); error = snapshot_write_next(&snapshot);
if (error < PAGE_SIZE) if (error < (int)PAGE_SIZE)
return error < 0 ? error : -EFAULT; return error < 0 ? error : -EFAULT;
header = (struct swsusp_info *)data_of(snapshot); header = (struct swsusp_info *)data_of(snapshot);
error = get_swap_reader(&handle, flags_p); error = get_swap_reader(&handle, flags_p);