Messages in this thread Patch in this message | | | From | Alex Elder <> | Subject | [PATCH 4/4] remoteproc: return error for bad "recovery" debugfs input | Date | Fri, 28 Feb 2020 12:33:59 -0600 |
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If the value written to the "recovery" debugfs file is not one of the recognized commands return an error to indicate it's invalid.
Signed-off-by: Alex Elder <elder@linaro.org> --- drivers/remoteproc/remoteproc_debugfs.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/remoteproc/remoteproc_debugfs.c b/drivers/remoteproc/remoteproc_debugfs.c index e995dc49c231..0d478bfefd9c 100644 --- a/drivers/remoteproc/remoteproc_debugfs.c +++ b/drivers/remoteproc/remoteproc_debugfs.c @@ -146,6 +146,8 @@ rproc_recovery_write(struct file *filp, const char __user *user_buf, } else if (!strncmp(buf, "recover", count)) { /* begin the recovery process without changing the flag */ rproc_trigger_recovery(rproc); + } else { + return -EINVAL; } return count; -- 2.20.1
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