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authorLinus Torvalds <torvalds@linux-foundation.org>2017-07-10 16:58:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-07-10 16:58:42 -0700
commit9967468c0a109644e4a1f5b39b39bf86fe7507a7 (patch)
tree72b7764c6dd6d74ede25688545a2e0c29dde3a2b /arch/sparc/mm/extable.c
parent548aa0e3c516d906dae5edb1fc9a1ad2e490120a (diff)
parentdd83c161fbcc5d8be637ab159c0de015cbff5ba4 (diff)
downloadtalos-op-linux-9967468c0a109644e4a1f5b39b39bf86fe7507a7.tar.gz
talos-op-linux-9967468c0a109644e4a1f5b39b39bf86fe7507a7.zip
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton: - most of the rest of MM - KASAN updates - lib/ updates - checkpatch updates - some binfmt_elf changes - various misc bits * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (115 commits) kernel/exit.c: avoid undefined behaviour when calling wait4() kernel/signal.c: avoid undefined behaviour in kill_something_info binfmt_elf: safely increment argv pointers s390: reduce ELF_ET_DYN_BASE powerpc: move ELF_ET_DYN_BASE to 4GB / 4MB arm64: move ELF_ET_DYN_BASE to 4GB / 4MB arm: move ELF_ET_DYN_BASE to 4MB binfmt_elf: use ELF_ET_DYN_BASE only for PIE fs, epoll: short circuit fetching events if thread has been killed checkpatch: improve multi-line alignment test checkpatch: improve macro reuse test checkpatch: change format of --color argument to --color[=WHEN] checkpatch: silence perl 5.26.0 unescaped left brace warnings checkpatch: improve tests for multiple line function definitions checkpatch: remove false warning for commit reference checkpatch: fix stepping through statements with $stat and ctx_statement_block checkpatch: [HLP]LIST_HEAD is also declaration checkpatch: warn when a MAINTAINERS entry isn't [A-Z]:\t checkpatch: improve the unnecessary OOM message test lib/bsearch.c: micro-optimize pivot position calculation ...
Diffstat (limited to 'arch/sparc/mm/extable.c')
-rw-r--r--arch/sparc/mm/extable.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/arch/sparc/mm/extable.c b/arch/sparc/mm/extable.c
index db214e9931d9..2422511dc8c5 100644
--- a/arch/sparc/mm/extable.c
+++ b/arch/sparc/mm/extable.c
@@ -13,11 +13,11 @@ void sort_extable(struct exception_table_entry *start,
/* Caller knows they are in a range if ret->fixup == 0 */
const struct exception_table_entry *
-search_extable(const struct exception_table_entry *start,
- const struct exception_table_entry *last,
+search_extable(const struct exception_table_entry *base,
+ const size_t num,
unsigned long value)
{
- const struct exception_table_entry *walk;
+ int i;
/* Single insn entries are encoded as:
* word 1: insn address
@@ -37,30 +37,30 @@ search_extable(const struct exception_table_entry *start,
*/
/* 1. Try to find an exact match. */
- for (walk = start; walk <= last; walk++) {
- if (walk->fixup == 0) {
+ for (i = 0; i < num; i++) {
+ if (base[i].fixup == 0) {
/* A range entry, skip both parts. */
- walk++;
+ i++;
continue;
}
/* A deleted entry; see trim_init_extable */
- if (walk->fixup == -1)
+ if (base[i].fixup == -1)
continue;
- if (walk->insn == value)
- return walk;
+ if (base[i].insn == value)
+ return &base[i];
}
/* 2. Try to find a range match. */
- for (walk = start; walk <= (last - 1); walk++) {
- if (walk->fixup)
+ for (i = 0; i < (num - 1); i++) {
+ if (base[i].fixup)
continue;
- if (walk[0].insn <= value && walk[1].insn > value)
- return walk;
+ if (base[i].insn <= value && base[i + 1].insn > value)
+ return &base[i];
- walk++;
+ i++;
}
return NULL;
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