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authorKees Cook <kees@kernel.org>2026-02-20 23:49:23 -0800
committerKees Cook <kees@kernel.org>2026-02-21 01:02:28 -0800
commit69050f8d6d075dc01af7a5f2f550a8067510366f (patch)
treebb265f94d9dfa7876c06a5d9f88673d496a15341 /arch/xtensa
parentd39a1d7486d98668dd34aaa6732aad7977c45f5a (diff)
downloadlinux-69050f8d6d075dc01af7a5f2f550a8067510366f.tar.gz
linux-69050f8d6d075dc01af7a5f2f550a8067510366f.zip
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
This is the result of running the Coccinelle script from scripts/coccinelle/api/kmalloc_objs.cocci. The script is designed to avoid scalar types (which need careful case-by-case checking), and instead replace kmalloc-family calls that allocate struct or union object instances: Single allocations: kmalloc(sizeof(TYPE), ...) are replaced with: kmalloc_obj(TYPE, ...) Array allocations: kmalloc_array(COUNT, sizeof(TYPE), ...) are replaced with: kmalloc_objs(TYPE, COUNT, ...) Flex array allocations: kmalloc(struct_size(PTR, FAM, COUNT), ...) are replaced with: kmalloc_flex(*PTR, FAM, COUNT, ...) (where TYPE may also be *VAR) The resulting allocations no longer return "void *", instead returning "TYPE *". Signed-off-by: Kees Cook <kees@kernel.org>
Diffstat (limited to 'arch/xtensa')
-rw-r--r--arch/xtensa/kernel/ptrace.c4
-rw-r--r--arch/xtensa/platforms/iss/simdisk.c2
2 files changed, 3 insertions, 3 deletions
diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c
index ff0600a0584c..b5de377dc96f 100644
--- a/arch/xtensa/kernel/ptrace.c
+++ b/arch/xtensa/kernel/ptrace.c
@@ -123,7 +123,7 @@ static int tie_get(struct task_struct *target,
int ret;
struct pt_regs *regs = task_pt_regs(target);
struct thread_info *ti = task_thread_info(target);
- elf_xtregs_t *newregs = kzalloc(sizeof(elf_xtregs_t), GFP_KERNEL);
+ elf_xtregs_t *newregs = kzalloc_obj(elf_xtregs_t, GFP_KERNEL);
if (!newregs)
return -ENOMEM;
@@ -156,7 +156,7 @@ static int tie_set(struct task_struct *target,
int ret;
struct pt_regs *regs = task_pt_regs(target);
struct thread_info *ti = task_thread_info(target);
- elf_xtregs_t *newregs = kzalloc(sizeof(elf_xtregs_t), GFP_KERNEL);
+ elf_xtregs_t *newregs = kzalloc_obj(elf_xtregs_t, GFP_KERNEL);
if (!newregs)
return -ENOMEM;
diff --git a/arch/xtensa/platforms/iss/simdisk.c b/arch/xtensa/platforms/iss/simdisk.c
index 3cafc8feddee..3e54f6377c81 100644
--- a/arch/xtensa/platforms/iss/simdisk.c
+++ b/arch/xtensa/platforms/iss/simdisk.c
@@ -320,7 +320,7 @@ static int __init simdisk_init(void)
if (simdisk_count > MAX_SIMDISK_COUNT)
simdisk_count = MAX_SIMDISK_COUNT;
- sddev = kmalloc_array(simdisk_count, sizeof(*sddev), GFP_KERNEL);
+ sddev = kmalloc_objs(*sddev, simdisk_count, GFP_KERNEL);
if (sddev == NULL)
goto out_unregister;