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authorLv Ruyi <lv.ruyi@zte.com.cn>2021-10-09 08:59:00 +0000
committerThierry Reding <treding@nvidia.com>2021-10-18 16:04:01 +0200
commit711e26c00e4c7b7cef0420c76a61e6d818e12687 (patch)
tree04c0eb97cd124a46bcff333e6a32e8197e544011 /drivers/firmware/tegra
parentf11c34bddf8cd2a3107a7d11b6446c66deda9590 (diff)
firmware: tegra: Fix error application of sizeof() to pointer
Application of sizeof() to pointer yields the number of bytes of the pointer, but it should use the length of buffer in the code. Fixes: 06c2d9a078ab ("firmware: tegra: Reduce stack usage") Reported-by: Zeal Robot <zealci@zte.com.cn> Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn> Reviewed-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/firmware/tegra')
-rw-r--r--drivers/firmware/tegra/bpmp-debugfs.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/firmware/tegra/bpmp-debugfs.c b/drivers/firmware/tegra/bpmp-debugfs.c
index 6d66fe03fb6a..fd89899aeeed 100644
--- a/drivers/firmware/tegra/bpmp-debugfs.c
+++ b/drivers/firmware/tegra/bpmp-debugfs.c
@@ -77,13 +77,14 @@ static const char *get_filename(struct tegra_bpmp *bpmp,
const char *root_path, *filename = NULL;
char *root_path_buf;
size_t root_len;
+ size_t root_path_buf_len = 512;
- root_path_buf = kzalloc(512, GFP_KERNEL);
+ root_path_buf = kzalloc(root_path_buf_len, GFP_KERNEL);
if (!root_path_buf)
goto out;
root_path = dentry_path(bpmp->debugfs_mirror, root_path_buf,
- sizeof(root_path_buf));
+ root_path_buf_len);
if (IS_ERR(root_path))
goto out;