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soc: qcom: socinfo: Don't print anything if nothing found 

Let's skip printing anything if there's nothing to see. This makes it so
the file length is 0 instead of 1, for the newline, and helps scripts
figure out if there's anything to see in these files.

Cc: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20210628030150.2627905-1-swboyd@chromium.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Stephen Boyd 2021-06-27 20:01:50 -07:00 committed by Bjorn Andersson
parent d43b3a989b
commit 0d361b0ac1
1 changed files with 2 additions and 2 deletions
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4
drivers/soc/qcom/socinfo.c
View File

@ -417,8 +417,8 @@ QCOM_OPEN(chip_id, qcom_show_chip_id);
static int show_image_##type(struct seq_file *seq, void *p) \
{ \
struct smem_image_version *image_version = seq->private; \
seq_puts(seq, image_version->type); \
seq_putc(seq, '\n'); \
if (image_version->type[0] != '\0') \
seq_printf(seq, "%s\n", image_version->type); \
return 0; \
} \
static int open_image_##type(struct inode *inode, struct file *file) \