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crypto: hisilicon/hpre - Fix a erroneous check after snprintf()

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This error handling looks really strange.
Check if the string has been truncated instead.

Fixes: 02ab994635 ("crypto: hisilicon - Fixed some tiny bugs of HPRE")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Christophe JAILLET 2023-09-04 22:17:29 +02:00 committed by Herbert Xu
parent 8f4f68e788
commit c977950146
1 changed files with 1 additions and 1 deletions
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2
drivers/crypto/hisilicon/hpre/hpre_main.c
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@ -1033,7 +1033,7 @@ static int hpre_cluster_debugfs_init(struct hisi_qm *qm)
for (i = 0; i < clusters_num; i++) {
ret = snprintf(buf, HPRE_DBGFS_VAL_MAX_LEN, "cluster%d", i);
if (ret < 0)
if (ret >= HPRE_DBGFS_VAL_MAX_LEN)
return -EINVAL;
tmp_d = debugfs_create_dir(buf, qm->debug.debug_root);