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authorLinus Torvalds <torvalds@linux-foundation.org>2018-06-12 18:28:00 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-06-12 18:28:00 -0700
commitb08fc5277aaa1d8ea15470d38bf36f19dfb0e125 (patch)
tree1910dc474cb1ede95581dd9faa81a3bebeded0dc /drivers/of
parent4597fcff07044d89c646d0c5d8b42cd976d966a1 (diff)
parent9d2a789c1db75d0f55b14fa57bec548d94332ad8 (diff)
Merge tag 'overflow-v4.18-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull more overflow updates from Kees Cook: "The rest of the overflow changes for v4.18-rc1. This includes the explicit overflow fixes from Silvio, further struct_size() conversions from Matthew, and a bug fix from Dan. But the bulk of it is the treewide conversions to use either the 2-factor argument allocators (e.g. kmalloc(a * b, ...) into kmalloc_array(a, b, ...) or the array_size() macros (e.g. vmalloc(a * b) into vmalloc(array_size(a, b)). Coccinelle was fighting me on several fronts, so I've done a bunch of manual whitespace updates in the patches as well. Summary: - Error path bug fix for overflow tests (Dan) - Additional struct_size() conversions (Matthew, Kees) - Explicitly reported overflow fixes (Silvio, Kees) - Add missing kvcalloc() function (Kees) - Treewide conversions of allocators to use either 2-factor argument variant when available, or array_size() and array3_size() as needed (Kees)" * tag 'overflow-v4.18-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: (26 commits) treewide: Use array_size in f2fs_kvzalloc() treewide: Use array_size() in f2fs_kzalloc() treewide: Use array_size() in f2fs_kmalloc() treewide: Use array_size() in sock_kmalloc() treewide: Use array_size() in kvzalloc_node() treewide: Use array_size() in vzalloc_node() treewide: Use array_size() in vzalloc() treewide: Use array_size() in vmalloc() treewide: devm_kzalloc() -> devm_kcalloc() treewide: devm_kmalloc() -> devm_kmalloc_array() treewide: kvzalloc() -> kvcalloc() treewide: kvmalloc() -> kvmalloc_array() treewide: kzalloc_node() -> kcalloc_node() treewide: kzalloc() -> kcalloc() treewide: kmalloc() -> kmalloc_array() mm: Introduce kvcalloc() video: uvesafb: Fix integer overflow in allocation UBIFS: Fix potential integer overflow in allocation leds: Use struct_size() in allocation Convert intel uncore to struct_size ...
Diffstat (limited to 'drivers/of')
-rw-r--r--drivers/of/platform.c2
-rw-r--r--drivers/of/unittest.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 59731a950c1f..6925d993e1f0 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -129,7 +129,7 @@ struct platform_device *of_device_alloc(struct device_node *np,
/* Populate the resource table */
if (num_irq || num_reg) {
- res = kzalloc(sizeof(*res) * (num_irq + num_reg), GFP_KERNEL);
+ res = kcalloc(num_irq + num_reg, sizeof(*res), GFP_KERNEL);
if (!res) {
platform_device_put(dev);
return NULL;
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index ecee50d10d14..722537e14848 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -156,7 +156,7 @@ static void __init of_unittest_dynamic(void)
}
/* Array of 4 properties for the purpose of testing */
- prop = kzalloc(sizeof(*prop) * 4, GFP_KERNEL);
+ prop = kcalloc(4, sizeof(*prop), GFP_KERNEL);
if (!prop) {
unittest(0, "kzalloc() failed\n");
return;