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authorLinus Torvalds <torvalds@linux-foundation.org>2014-08-06 21:14:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-08-06 21:14:42 -0700
commit33caee39925b887a99a2400dc5c980097c3573f9 (patch)
tree8e68ad97e1fee88c4a3f31453041f8d139f2027e /drivers/base/memory.c
parent6456a0438b984186a0c9c8ecc9fe3d97b7ac3613 (diff)
parentf84223087402c45179be5e7060c5736c17a7b271 (diff)
Merge branch 'akpm' (patchbomb from Andrew Morton)
Merge incoming from Andrew Morton: - Various misc things. - arch/sh updates. - Part of ocfs2. Review is slow. - Slab updates. - Most of -mm. - printk updates. - lib/ updates. - checkpatch updates. * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (226 commits) checkpatch: update $declaration_macros, add uninitialized_var checkpatch: warn on missing spaces in broken up quoted checkpatch: fix false positives for --strict "space after cast" test checkpatch: fix false positive MISSING_BREAK warnings with --file checkpatch: add test for native c90 types in unusual order checkpatch: add signed generic types checkpatch: add short int to c variable types checkpatch: add for_each tests to indentation and brace tests checkpatch: fix brace style misuses of else and while checkpatch: add --fix option for a couple OPEN_BRACE misuses checkpatch: use the correct indentation for which() checkpatch: add fix_insert_line and fix_delete_line helpers checkpatch: add ability to insert and delete lines to patch/file checkpatch: add an index variable for fixed lines checkpatch: warn on break after goto or return with same tab indentation checkpatch: emit a warning on file add/move/delete checkpatch: add test for commit id formatting style in commit log checkpatch: emit fewer kmalloc_array/kcalloc conversion warnings checkpatch: improve "no space after cast" test checkpatch: allow multiple const * types ...
Diffstat (limited to 'drivers/base/memory.c')
-rw-r--r--drivers/base/memory.c30
1 files changed, 16 insertions, 14 deletions
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 89f752dd8465..a2e13e250bba 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -284,7 +284,7 @@ static int memory_subsys_online(struct device *dev)
* attribute and need to set the online_type.
*/
if (mem->online_type < 0)
- mem->online_type = ONLINE_KEEP;
+ mem->online_type = MMOP_ONLINE_KEEP;
ret = memory_block_change_state(mem, MEM_ONLINE, MEM_OFFLINE);
@@ -315,23 +315,23 @@ store_mem_state(struct device *dev,
if (ret)
return ret;
- if (!strncmp(buf, "online_kernel", min_t(int, count, 13)))
- online_type = ONLINE_KERNEL;
- else if (!strncmp(buf, "online_movable", min_t(int, count, 14)))
- online_type = ONLINE_MOVABLE;
- else if (!strncmp(buf, "online", min_t(int, count, 6)))
- online_type = ONLINE_KEEP;
- else if (!strncmp(buf, "offline", min_t(int, count, 7)))
- online_type = -1;
+ if (sysfs_streq(buf, "online_kernel"))
+ online_type = MMOP_ONLINE_KERNEL;
+ else if (sysfs_streq(buf, "online_movable"))
+ online_type = MMOP_ONLINE_MOVABLE;
+ else if (sysfs_streq(buf, "online"))
+ online_type = MMOP_ONLINE_KEEP;
+ else if (sysfs_streq(buf, "offline"))
+ online_type = MMOP_OFFLINE;
else {
ret = -EINVAL;
goto err;
}
switch (online_type) {
- case ONLINE_KERNEL:
- case ONLINE_MOVABLE:
- case ONLINE_KEEP:
+ case MMOP_ONLINE_KERNEL:
+ case MMOP_ONLINE_MOVABLE:
+ case MMOP_ONLINE_KEEP:
/*
* mem->online_type is not protected so there can be a
* race here. However, when racing online, the first
@@ -342,7 +342,7 @@ store_mem_state(struct device *dev,
mem->online_type = online_type;
ret = device_online(&mem->dev);
break;
- case -1:
+ case MMOP_OFFLINE:
ret = device_offline(&mem->dev);
break;
default:
@@ -406,7 +406,9 @@ memory_probe_store(struct device *dev, struct device_attribute *attr,
int i, ret;
unsigned long pages_per_block = PAGES_PER_SECTION * sections_per_block;
- phys_addr = simple_strtoull(buf, NULL, 0);
+ ret = kstrtoull(buf, 0, &phys_addr);
+ if (ret)
+ return ret;
if (phys_addr & ((pages_per_block << PAGE_SHIFT) - 1))
return -EINVAL;