* [PATCH] crypto: marvell/cesa - Silence gcc format-truncation false positive warnings
@ 2023-10-27 10:35 Herbert Xu
0 siblings, 0 replies; only message in thread
From: Herbert Xu @ 2023-10-27 10:35 UTC (permalink / raw)
To: Linux Crypto Mailing List, Boris Brezillon, Arnaud Ebalard,
Srujana Challa
The heuristics used by gcc triggers false positive truncation
warnings in hifn_alg_alloc. The warnings are false positives
because nengines is at most 2.
Make the buffer bigger and change the snprintf to use unsigned
integers to eliminate these warnings.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/crypto/marvell/cesa/cesa.c b/drivers/crypto/marvell/cesa/cesa.c
index 5744df30c838..5fd31ba715c2 100644
--- a/drivers/crypto/marvell/cesa/cesa.c
+++ b/drivers/crypto/marvell/cesa/cesa.c
@@ -488,7 +488,7 @@ static int mv_cesa_probe(struct platform_device *pdev)
for (i = 0; i < caps->nengines; i++) {
struct mv_cesa_engine *engine = &cesa->engines[i];
- char res_name[7];
+ char res_name[16];
engine->id = i;
spin_lock_init(&engine->lock);
@@ -509,7 +509,7 @@ static int mv_cesa_probe(struct platform_device *pdev)
* Not all platforms can gate the CESA clocks: do not complain
* if the clock does not exist.
*/
- snprintf(res_name, sizeof(res_name), "cesa%d", i);
+ snprintf(res_name, sizeof(res_name), "cesa%u", i);
engine->clk = devm_clk_get(dev, res_name);
if (IS_ERR(engine->clk)) {
engine->clk = devm_clk_get(dev, NULL);
@@ -517,7 +517,7 @@ static int mv_cesa_probe(struct platform_device *pdev)
engine->clk = NULL;
}
- snprintf(res_name, sizeof(res_name), "cesaz%d", i);
+ snprintf(res_name, sizeof(res_name), "cesaz%u", i);
engine->zclk = devm_clk_get(dev, res_name);
if (IS_ERR(engine->zclk))
engine->zclk = NULL;
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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