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FatFs: Apply patch ff12a_p6.diff.

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This commit is contained in:
Jared Boone 2016-08-21 23:03:08 -07:00
parent 60cc9b7faa
commit 11a5aa9766
1 changed files with 6 additions and 3 deletions
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9
firmware/chibios-portapack/ext/fatfs/src/ff.c
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@ -4038,11 +4038,16 @@ FRESULT f_lseek (
} }
if (clst != 0) { if (clst != 0) {
while (ofs > bcs) { /* Cluster following loop */ while (ofs > bcs) { /* Cluster following loop */
ofs -= bcs; fp->fptr += bcs;
#if !_FS_READONLY #if !_FS_READONLY
if (fp->flag & FA_WRITE) { /* Check if in write mode or not */ if (fp->flag & FA_WRITE) { /* Check if in write mode or not */
if (_FS_EXFAT && fp->fptr > fp->obj.objsize) { /* No FAT chain object needs correct objsize to generate FAT value */
fp->obj.objsize = fp->fptr;
fp->flag |= FA_MODIFIED;
}
clst = create_chain(&fp->obj, clst); /* Force stretch if in write mode */ clst = create_chain(&fp->obj, clst); /* Force stretch if in write mode */
if (clst == 0) { /* When disk gets full, clip file size */ if (clst == 0) { /* When disk gets full, clip file size */
ofs = bcs; break; ofs = 0; break;
} }
} else } else
#endif #endif
@ -4050,8 +4055,6 @@ FRESULT f_lseek (
if (clst == 0xFFFFFFFF) ABORT(fs, FR_DISK_ERR); if (clst == 0xFFFFFFFF) ABORT(fs, FR_DISK_ERR);
if (clst <= 1 || clst >= fs->n_fatent) ABORT(fs, FR_INT_ERR); if (clst <= 1 || clst >= fs->n_fatent) ABORT(fs, FR_INT_ERR);
fp->clust = clst; fp->clust = clst;
fp->fptr += bcs;
ofs -= bcs;
} }
fp->fptr += ofs; fp->fptr += ofs;
if (ofs % SS(fs)) { if (ofs % SS(fs)) {