diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:50:12 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:50:12 +0000 |
| commit | 8665bd53f2f2e27e5511d90428cb3f60e6d0ce15 (patch) | |
| tree | 8d58900dc0ebd4a3011f92c128d2fe45bc7c4bf2 /scripts/coccinelle/api | |
| parent | Adding debian version 6.7.12-1. (diff) | |
| download | linux-8665bd53f2f2e27e5511d90428cb3f60e6d0ce15.tar.xz linux-8665bd53f2f2e27e5511d90428cb3f60e6d0ce15.zip | |
Merging upstream version 6.8.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'scripts/coccinelle/api')
| -rw-r--r-- | scripts/coccinelle/api/device_attr_show.cocci | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/scripts/coccinelle/api/device_attr_show.cocci b/scripts/coccinelle/api/device_attr_show.cocci index a28dc06165..dfcf930419 100644 --- a/scripts/coccinelle/api/device_attr_show.cocci +++ b/scripts/coccinelle/api/device_attr_show.cocci @@ -1,10 +1,8 @@ // SPDX-License-Identifier: GPL-2.0-only /// /// From Documentation/filesystems/sysfs.rst: -/// show() must not use snprintf() when formatting the value to be -/// returned to user space. If you can guarantee that an overflow -/// will never happen you can use sprintf() otherwise you must use -/// scnprintf(). +/// show() should only use sysfs_emit() or sysfs_emit_at() when formatting +/// the value to be returned to user space. /// // Confidence: High // Copyright: (C) 2020 Denis Efremov ISPRAS @@ -30,15 +28,16 @@ ssize_t show(struct device *dev, struct device_attribute *attr, char *buf) @rp depends on patch@ identifier show, dev, attr, buf; +expression BUF, SZ, FORMAT; @@ ssize_t show(struct device *dev, struct device_attribute *attr, char *buf) { <... return -- snprintf -+ scnprintf - (...); +- snprintf(BUF, SZ, FORMAT ++ sysfs_emit(BUF, FORMAT + ,...); ...> } @@ -46,10 +45,10 @@ ssize_t show(struct device *dev, struct device_attribute *attr, char *buf) p << r.p; @@ -coccilib.report.print_report(p[0], "WARNING: use scnprintf or sprintf") +coccilib.report.print_report(p[0], "WARNING: please use sysfs_emit or sysfs_emit_at") @script: python depends on org@ p << r.p; @@ -coccilib.org.print_todo(p[0], "WARNING: use scnprintf or sprintf") +coccilib.org.print_todo(p[0], "WARNING: please use sysfs_emit or sysfs_emit_at") |