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authorThomas Gleixner <tglx@linutronix.de>2020-06-11 15:17:57 +0200
committerThomas Gleixner <tglx@linutronix.de>2020-06-11 15:17:57 +0200
commitf77d26a9fc525286bcef3d4f98b52e17482cf49c (patch)
tree6b179c9aa84787773cb601a14a64255e2912154b /arch/parisc/lib/memcpy.c
parentb6bea24d41519e8c31e4798f1c1a3f67e540c5d0 (diff)
parentf0178fc01fe46bab6a95415f5647d1a74efcad1b (diff)
Merge branch 'x86/entry' into ras/core
to fixup conflicts in arch/x86/kernel/cpu/mce/core.c so MCE specific follow up patches can be applied without creating a horrible merge conflict afterwards.
Diffstat (limited to 'arch/parisc/lib/memcpy.c')
-rw-r--r--arch/parisc/lib/memcpy.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/arch/parisc/lib/memcpy.c b/arch/parisc/lib/memcpy.c
index beceaab34ecb..94a9fe2702c2 100644
--- a/arch/parisc/lib/memcpy.c
+++ b/arch/parisc/lib/memcpy.c
@@ -57,14 +57,10 @@ void * memcpy(void * dst,const void *src, size_t count)
EXPORT_SYMBOL(raw_copy_in_user);
EXPORT_SYMBOL(memcpy);
-long probe_kernel_read(void *dst, const void *src, size_t size)
+bool probe_kernel_read_allowed(const void *unsafe_src, size_t size)
{
- unsigned long addr = (unsigned long)src;
-
- if (addr < PAGE_SIZE)
- return -EFAULT;
-
+ if ((unsigned long)unsafe_src < PAGE_SIZE)
+ return false;
/* check for I/O space F_EXTEND(0xfff00000) access as well? */
-
- return __probe_kernel_read(dst, src, size);
+ return true;
}