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log: update the comment for log_msg_ret()

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Add some advice on string size here.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2022-09-06 20:26:53 -06:00 • committed by Tom Rini
parent f3543e6944
commit b7f134eece
1 changed files with 4 additions and 1 deletions
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5
include/log.h
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@ -322,7 +322,10 @@ void __assert_fail(const char *assertion, const char *file, unsigned int line,
*
* or:
*
* return log_msg_ret("fred failed", fred_call());
* return log_msg_ret("get", fred_call());
*
* It is recommended to use <= 3 characters for the name since this will only
* use 4 bytes in rodata
*/
#define log_ret(_ret) ({ \
int __ret = (_ret); \