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drivers/encx24j600: Allow empty iolist elements

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This commits allows using netdev_driver_t::send() to be called with one or more
empty iolist elements. This fixes issue
https://github.com/RIOT-OS/RIOT/issues/11163
This commit is contained in:
Marian Buschsieweke 2019-04-01 16:20:21 +02:00
parent 85276fb7a0
commit 99db8e8717
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GPG Key ID: 61F64C6599B1539F
1 changed files with 4 additions and 0 deletions
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drivers/encx24j600/encx24j600.c
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@ -205,6 +205,10 @@ static void sram_op(encx24j600_t *dev, uint16_t cmd, uint16_t addr, char *ptr, i
char* in = NULL; char* in = NULL;
char* out = NULL; char* out = NULL;
if (!len) {
return;
}
/* determine pointer addr /* determine pointer addr
* *
* all SRAM access commands have an * all SRAM access commands have an