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vfs: bugfix vfs_fat_write/pwrite upon disk-full

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Closes https://github.com/espressif/esp-idf/issues/5027
This commit is contained in:
Vamshi Gajjela
2022-03-17 14:57:32 +05:30
committed by Martin Vychodil
parent f5ee7093b8
commit b33e7f27ea
1 changed files with 8 additions and 0 deletions
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8
components/fatfs/vfs/vfs_fat.c
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@ -375,6 +375,10 @@ static ssize_t vfs_fat_write(void* ctx, int fd, const void * data, size_t size)
}
unsigned written = 0;
res = f_write(file, data, size, &written);
if (((written == 0) && (size != 0)) && (res == 0)) {
errno = ENOSPC;
return -1;
}
if (res != FR_OK) {
ESP_LOGD(TAG, "%s: fresult=%d", __func__, res);
errno = fresult_to_errno(res);
@ -459,6 +463,10 @@ static ssize_t vfs_fat_pwrite(void *ctx, int fd, const void *src, size_t size, o
unsigned wr = 0;
f_res = f_write(file, src, size, &wr);
if (((wr == 0) && (size != 0)) && (f_res == 0)) {
errno = ENOSPC;
return -1;
}
if (f_res == FR_OK) {
ret = wr;
} else {