compatibility - fallthrough' pseudo keyword was introduced in v5.4

commit 294f69e662d1570703e9b56e95be37a9fd3afba5
Author: Joe Perches <joe@perches.com>
Date:   Sat Oct 5 09:46:42 2019 -0700

    compiler_attributes.h: Add 'fallthrough' pseudo keyword for switch/case use
This commit is contained in:
Hin-Tak Leung 2020-04-27 21:17:56 +01:00
parent 74d65bfcbd
commit 0ed11aa9a4

View file

@ -15,6 +15,14 @@
#define __NO_SND_SOC_CODEC_DRV 0 #define __NO_SND_SOC_CODEC_DRV 0
#endif #endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(5,4,0)
#if __has_attribute(__fallthrough__)
# define fallthrough __attribute__((__fallthrough__))
#else
# define fallthrough do {} while (0) /* fallthrough */
#endif
#endif
#if __NO_SND_SOC_CODEC_DRV #if __NO_SND_SOC_CODEC_DRV
#define codec component #define codec component
#define snd_soc_codec snd_soc_component #define snd_soc_codec snd_soc_component