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firmware: tegra: bpmp: Return directly after a failed kzalloc() in get_filename()

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The kfree() function was called in one case by
the get_filename() function during error handling
even if the passed variable contained a null pointer.
This issue was detected by using the Coccinelle software.

Thus return directly after a call of the function “kzalloc” failed
at the beginning.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Markus Elfring 2023-12-25 20:03:56 +01:00 committed by Thierry Reding
parent 6613476e22
commit 1315848f1f
1 changed files with 1 additions and 1 deletions
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2
drivers/firmware/tegra/bpmp-debugfs.c
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@ -77,7 +77,7 @@ static const char *get_filename(struct tegra_bpmp *bpmp,
root_path_buf = kzalloc(root_path_buf_len, GFP_KERNEL);
if (!root_path_buf)
goto out;
return NULL;
root_path = dentry_path(bpmp->debugfs_mirror, root_path_buf,
root_path_buf_len);