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s390/lcs: Convert sprintf to scnprintf

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This LWN article explains the why scnprintf is preferred over snprintf
in general
https://lwn.net/Articles/69419/
Ie. snprintf() returns what *would* be the resulting length, while
scnprintf() returns the actual length.

Reported-by: Jules Irenge <jbi.octave@gmail.com>
Reviewed-by: Alexandra Winter <wintera@linux.ibm.com>
Signed-off-by: Thorsten Winkler <twinkler@linux.ibm.com>
Signed-off-by: Alexandra Winter <wintera@linux.ibm.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Thorsten Winkler 2023-06-21 15:49:19 +02:00 committed by Paolo Abeni
parent d3f0c7fa09
commit 1a079f3e95
1 changed files with 1 additions and 1 deletions
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2
drivers/s390/net/lcs.h
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@ -21,7 +21,7 @@ do { \
#define LCS_DBF_TEXT_(level,name,text...) \
do { \
if (debug_level_enabled(lcs_dbf_##name, level)) { \
sprintf(debug_buffer, text); \
scnprintf(debug_buffer, sizeof(debug_buffer), text); \
debug_text_event(lcs_dbf_##name, level, debug_buffer); \
} \
} while (0)