diff options
author | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2021-01-22 12:44:49 +0100 |
---|---|---|
committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2021-01-27 21:49:16 +0100 |
commit | 7cf52001ee7b5dbcf0bf81e26ac4dd261b128b70 (patch) | |
tree | 3e8630bd5a42aa57c6e499352d749c1f9d4208e1 | |
parent | 5b2d6d2d602068ae0568f990e850ad80e1f701d3 (diff) |
MIPS: vpe: Remove vpe_getcwd
I couldn't find any user of the dubious vpe_getcwd so far. So remove it and
get rid of another set_fs(KERNEL_DS).
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
-rw-r--r-- | arch/mips/include/asm/vpe.h | 3 | ||||
-rw-r--r-- | arch/mips/kernel/vpe.c | 33 |
2 files changed, 0 insertions, 36 deletions
diff --git a/arch/mips/include/asm/vpe.h b/arch/mips/include/asm/vpe.h index 80e70dbd1f64..baa949a744cb 100644 --- a/arch/mips/include/asm/vpe.h +++ b/arch/mips/include/asm/vpe.h @@ -26,7 +26,6 @@ #endif #define MAX_VPES 16 -#define VPE_PATH_MAX 256 static inline int aprp_cpu_index(void) { @@ -62,7 +61,6 @@ struct vpe { unsigned long len; char *pbuffer; unsigned long plen; - char cwd[VPE_PATH_MAX]; unsigned long __start; @@ -111,7 +109,6 @@ extern const struct file_operations vpe_fops; int vpe_notify(int index, struct vpe_notifications *notify); void *vpe_get_shared(int index); -char *vpe_getcwd(int index); struct vpe *get_vpe(int minor); struct tc *get_tc(int index); diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c index d0d832ab3d3b..13294972707b 100644 --- a/arch/mips/kernel/vpe.c +++ b/arch/mips/kernel/vpe.c @@ -746,28 +746,12 @@ static int vpe_elfload(struct vpe *v) return 0; } -static int getcwd(char *buff, int size) -{ - mm_segment_t old_fs; - int ret; - - old_fs = get_fs(); - set_fs(KERNEL_DS); - - ret = sys_getcwd(buff, size); - - set_fs(old_fs); - - return ret; -} - /* checks VPE is unused and gets ready to load program */ static int vpe_open(struct inode *inode, struct file *filp) { enum vpe_state state; struct vpe_notifications *notifier; struct vpe *v; - int ret; if (VPE_MODULE_MINOR != iminor(inode)) { /* assume only 1 device at the moment. */ @@ -803,12 +787,6 @@ static int vpe_open(struct inode *inode, struct file *filp) v->plen = P_SIZE; v->load_addr = NULL; v->len = 0; - - v->cwd[0] = 0; - ret = getcwd(v->cwd, VPE_PATH_MAX); - if (ret < 0) - pr_warn("VPE loader: open, getcwd returned %d\n", ret); - v->shared_ptr = NULL; v->__start = 0; @@ -915,17 +893,6 @@ int vpe_notify(int index, struct vpe_notifications *notify) } EXPORT_SYMBOL(vpe_notify); -char *vpe_getcwd(int index) -{ - struct vpe *v = get_vpe(index); - - if (v == NULL) - return NULL; - - return v->cwd; -} -EXPORT_SYMBOL(vpe_getcwd); - module_init(vpe_module_init); module_exit(vpe_module_exit); MODULE_DESCRIPTION("MIPS VPE Loader"); |