early-lookup.c (017fb83ee0612595ec70c65ddd83472706b02a50) | early-lookup.c (648fa60fa7de3ca6f6303e1721591ad73def9cf0) |
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1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * Code for looking up block devices in the early boot code before mounting the 4 * root file system. 5 */ 6#include <linux/blkdev.h> 7#include <linux/ctype.h> 8 --- 161 unchanged lines hidden (view full) --- 170 171 /* 172 * Try non-existent, but valid partition, which may only exist after 173 * opening the device, like partitioned md devices. 174 */ 175 while (p > s && isdigit(p[-1])) 176 p--; 177 if (p == s || !*p || *p == '0') | 1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * Code for looking up block devices in the early boot code before mounting the 4 * root file system. 5 */ 6#include <linux/blkdev.h> 7#include <linux/ctype.h> 8 --- 161 unchanged lines hidden (view full) --- 170 171 /* 172 * Try non-existent, but valid partition, which may only exist after 173 * opening the device, like partitioned md devices. 174 */ 175 while (p > s && isdigit(p[-1])) 176 p--; 177 if (p == s || !*p || *p == '0') |
178 return -EINVAL; | 178 return -ENODEV; |
179 180 /* try disk name without <part number> */ 181 part = simple_strtoul(p, NULL, 10); 182 *p = '\0'; 183 *devt = blk_lookup_devt(s, part); 184 if (*devt) 185 return 0; 186 187 /* try disk name without p<part number> */ 188 if (p < s + 2 || !isdigit(p[-2]) || p[-1] != 'p') | 179 180 /* try disk name without <part number> */ 181 part = simple_strtoul(p, NULL, 10); 182 *p = '\0'; 183 *devt = blk_lookup_devt(s, part); 184 if (*devt) 185 return 0; 186 187 /* try disk name without p<part number> */ 188 if (p < s + 2 || !isdigit(p[-2]) || p[-1] != 'p') |
189 return -EINVAL; | 189 return -ENODEV; |
190 p[-1] = '\0'; 191 *devt = blk_lookup_devt(s, part); 192 if (*devt) 193 return 0; 194 return -ENODEV; 195} 196 197static int __init devt_from_devnum(const char *name, dev_t *devt) --- 119 unchanged lines hidden --- | 190 p[-1] = '\0'; 191 *devt = blk_lookup_devt(s, part); 192 if (*devt) 193 return 0; 194 return -ENODEV; 195} 196 197static int __init devt_from_devnum(const char *name, dev_t *devt) --- 119 unchanged lines hidden --- |