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EDAC, xgene: Fix possible sprintf() overflow issue

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Replace sprintf() with snprintf() to avoid possible string array
overflow.

Signed-off-by: Loc Ho <lho@apm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: devicetree@vger.kernel.org
Cc: ijc+devicetree@hellion.org.uk
Cc: jcm@redhat.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: mark.rutland@arm.com
Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Cc: patches@apm.com
Cc: robh+dt@kernel.org
Link: http://lkml.kernel.org/r/1443116287-11752-1-git-send-email-lho@apm.com
Signed-off-by: Borislav Petkov <bp@suse.de>
This commit is contained in:
Loc Ho 2015-09-24 10:38:07 -07:00 committed by Borislav Petkov
parent 9347473c7d
commit 9bc1c0c0ec
1 changed files with 2 additions and 2 deletions
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4
drivers/edac/xgene_edac.c
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@ -879,7 +879,7 @@ xgene_edac_pmd_create_debugfs_nodes(struct edac_device_ctl_info *edac_dev)
if (!IS_ENABLED(CONFIG_EDAC_DEBUG) || !ctx->edac->dfs)
return;
sprintf(name, "PMD%d", ctx->pmd);
snprintf(name, sizeof(name), "PMD%d", ctx->pmd);
dbgfs_dir = edac_debugfs_create_dir_at(name, ctx->edac->dfs);
if (!dbgfs_dir)
return;
@ -923,7 +923,7 @@ static int xgene_edac_pmd_add(struct xgene_edac *edac, struct device_node *np,
goto err_group;
}
sprintf(edac_name, "l2c%d", pmd);
snprintf(edac_name, sizeof(edac_name), "l2c%d", pmd);
edac_dev = edac_device_alloc_ctl_info(sizeof(*ctx),
edac_name, 1, "l2c", 1, 2, NULL,
0, edac_device_alloc_index());