Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL 4.9 39/45] test_hexdump: use memcpy instead of strncpy | Date | Wed, 5 Dec 2018 04:47:00 -0500 |
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From: Linus Torvalds <torvalds@linux-foundation.org>
[ Upstream commit b1286ed7158e9b62787508066283ab0b8850b518 ]
New versions of gcc reasonably warn about the odd pattern of
strncpy(p, q, strlen(q));
which really doesn't make sense: the strncpy() ends up being just a slow and odd way to write memcpy() in this case.
Apparently there was a patch for this floating around earlier, but it got lost.
Acked-again-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- lib/test_hexdump.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/test_hexdump.c b/lib/test_hexdump.c index 3f415d8101f3..1c3c513add77 100644 --- a/lib/test_hexdump.c +++ b/lib/test_hexdump.c @@ -81,7 +81,7 @@ static void __init test_hexdump_prepare_test(size_t len, int rowsize, const char *q = *result++; size_t amount = strlen(q); - strncpy(p, q, amount); + memcpy(p, q, amount); p += amount; *p++ = ' '; -- 2.17.1
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